20199985428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{1493}}^1$

素因数の和:1726

約数の個数: 192

約数和(自身を含む): 57828556800

約数和(自身を除く): 37628571372

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 47, 69, 84, 92, 94, 138, 141, 149, 161, 188, 276, 282, 298, 322, 329, 447, 483, 564, 596, 644, 658, 894, 966, 987, 1043, 1081, 1316, 1493, 1788, 1932, 1974, 2086, 2162, 2986, 3129, 3243, 3427, 3948, 4172, 4324, 4479, 5972, 6258, 6486, 6854, 7003, 7567, 8958, 10281, 10451, 12516, 12972, 13708, 14006, 15134, 17916, 20562, 20902, 21009, 22701, 23989, 28012, 30268, 31353, 34339, 41124, 41804, 42018, 45402, 47978, 49021, 62706, 68678, 70171, 71967, 84036, 90804, 95956, 98042, 103017, 125412, 137356, 140342, 143934, 147063, 161069, 196084, 206034, 210513, 222457, 240373, 280684, 287868, 294126, 322138, 412068, 421026, 444914, 480746, 483207, 491197, 588252, 644276, 667371, 721119, 842052, 889828, 961492, 966414, 982394, 1127483, 1334742, 1442238, 1473591, 1557199, 1613933, 1932828, 1964788, 2254966, 2669484, 2884476, 2947182, 3114398, 3227866, 3382449, 4509932, 4671597, 4841799, 5116511, 5894364, 6228796, 6455732, 6764898, 9343194, 9683598, 10233022, 10455479, 11297531, 13529796, 15349533, 18686388, 19367196, 20466044, 20910958, 22595062, 30699066, 31366437, 33892593, 35815577, 41821916, 45190124, 61398132, 62732874, 67785186, 71631154, 73188353, 107446731, 125465748, 135570372, 143262308, 146376706, 214893462, 219565059, 240476017, 292753412, 429786924, 439130118, 480952034, 721428051, 878260236, 961904068, 1442856102, 1683332119, 2885712204, 3366664238, 5049996357, 6733328476, 10099992714, 20199985428]

約数ペア:

[(1, 20199985428), (2, 10099992714), (3, 6733328476), (4, 5049996357), (6, 3366664238), (7, 2885712204), (12, 1683332119), (14, 1442856102), (21, 961904068), (23, 878260236), (28, 721428051), (42, 480952034), (46, 439130118), (47, 429786924), (69, 292753412), (84, 240476017), (92, 219565059), (94, 214893462), (138, 146376706), (141, 143262308), (149, 135570372), (161, 125465748), (188, 107446731), (276, 73188353), (282, 71631154), (298, 67785186), (322, 62732874), (329, 61398132), (447, 45190124), (483, 41821916), (564, 35815577), (596, 33892593), (644, 31366437), (658, 30699066), (894, 22595062), (966, 20910958), (987, 20466044), (1043, 19367196), (1081, 18686388), (1316, 15349533), (1493, 13529796), (1788, 11297531), (1932, 10455479), (1974, 10233022), (2086, 9683598), (2162, 9343194), (2986, 6764898), (3129, 6455732), (3243, 6228796), (3427, 5894364), (3948, 5116511), (4172, 4841799), (4324, 4671597), (4479, 4509932), (5972, 3382449), (6258, 3227866), (6486, 3114398), (6854, 2947182), (7003, 2884476), (7567, 2669484), (8958, 2254966), (10281, 1964788), (10451, 1932828), (12516, 1613933), (12972, 1557199), (13708, 1473591), (14006, 1442238), (15134, 1334742), (17916, 1127483), (20562, 982394), (20902, 966414), (21009, 961492), (22701, 889828), (23989, 842052), (28012, 721119), (30268, 667371), (31353, 644276), (34339, 588252), (41124, 491197), (41804, 483207), (42018, 480746), (45402, 444914), (47978, 421026), (49021, 412068), (62706, 322138), (68678, 294126), (70171, 287868), (71967, 280684), (84036, 240373), (90804, 222457), (95956, 210513), (98042, 206034), (103017, 196084), (125412, 161069), (137356, 147063), (140342, 143934)]