20374688

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 46448640

約数和(自身を除く): 26073952

約数列:

[1, 2, 4, 8, 16, 19, 23, 31, 32, 38, 46, 47, 62, 76, 92, 94, 124, 152, 184, 188, 248, 304, 368, 376, 437, 496, 589, 608, 713, 736, 752, 874, 893, 992, 1081, 1178, 1426, 1457, 1504, 1748, 1786, 2162, 2356, 2852, 2914, 3496, 3572, 4324, 4712, 5704, 5828, 6992, 7144, 8648, 9424, 11408, 11656, 13547, 13984, 14288, 17296, 18848, 20539, 22816, 23312, 27094, 27683, 28576, 33511, 34592, 41078, 46624, 54188, 55366, 67022, 82156, 108376, 110732, 134044, 164312, 216752, 221464, 268088, 328624, 433504, 442928, 536176, 636709, 657248, 885856, 1072352, 1273418, 2546836, 5093672, 10187344, 20374688]

約数ペア:

[(1, 20374688), (2, 10187344), (4, 5093672), (8, 2546836), (16, 1273418), (19, 1072352), (23, 885856), (31, 657248), (32, 636709), (38, 536176), (46, 442928), (47, 433504), (62, 328624), (76, 268088), (92, 221464), (94, 216752), (124, 164312), (152, 134044), (184, 110732), (188, 108376), (248, 82156), (304, 67022), (368, 55366), (376, 54188), (437, 46624), (496, 41078), (589, 34592), (608, 33511), (713, 28576), (736, 27683), (752, 27094), (874, 23312), (893, 22816), (992, 20539), (1081, 18848), (1178, 17296), (1426, 14288), (1457, 13984), (1504, 13547), (1748, 11656), (1786, 11408), (2162, 9424), (2356, 8648), (2852, 7144), (2914, 6992), (3496, 5828), (3572, 5704), (4324, 4712)]