20255976

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 192

約数和(自身を含む): 66830400

約数和(自身を除く): 46574424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 19, 24, 26, 34, 36, 38, 39, 51, 52, 57, 67, 68, 72, 76, 78, 102, 104, 114, 117, 134, 136, 152, 153, 156, 171, 201, 204, 221, 228, 234, 247, 268, 306, 312, 323, 342, 402, 408, 442, 456, 468, 494, 536, 603, 612, 646, 663, 684, 741, 804, 871, 884, 936, 969, 988, 1139, 1206, 1224, 1273, 1292, 1326, 1368, 1482, 1608, 1742, 1768, 1938, 1976, 1989, 2223, 2278, 2412, 2546, 2584, 2613, 2652, 2907, 2964, 3417, 3484, 3819, 3876, 3978, 4199, 4446, 4556, 4824, 5092, 5226, 5304, 5814, 5928, 6834, 6968, 7638, 7752, 7839, 7956, 8398, 8892, 9112, 10184, 10251, 10452, 11457, 11628, 12597, 13668, 14807, 15276, 15678, 15912, 16549, 16796, 17784, 20502, 20904, 21641, 22914, 23256, 25194, 27336, 29614, 30552, 31356, 33098, 33592, 37791, 41004, 43282, 44421, 45828, 49647, 50388, 59228, 62712, 64923, 66196, 75582, 82008, 86564, 88842, 91656, 99294, 100776, 118456, 129846, 132392, 133263, 148941, 151164, 173128, 177684, 194769, 198588, 259692, 266526, 281333, 297882, 302328, 355368, 389538, 397176, 519384, 533052, 562666, 595764, 779076, 843999, 1066104, 1125332, 1191528, 1558152, 1687998, 2250664, 2531997, 3375996, 5063994, 6751992, 10127988, 20255976]

約数ペア:

[(1, 20255976), (2, 10127988), (3, 6751992), (4, 5063994), (6, 3375996), (8, 2531997), (9, 2250664), (12, 1687998), (13, 1558152), (17, 1191528), (18, 1125332), (19, 1066104), (24, 843999), (26, 779076), (34, 595764), (36, 562666), (38, 533052), (39, 519384), (51, 397176), (52, 389538), (57, 355368), (67, 302328), (68, 297882), (72, 281333), (76, 266526), (78, 259692), (102, 198588), (104, 194769), (114, 177684), (117, 173128), (134, 151164), (136, 148941), (152, 133263), (153, 132392), (156, 129846), (171, 118456), (201, 100776), (204, 99294), (221, 91656), (228, 88842), (234, 86564), (247, 82008), (268, 75582), (306, 66196), (312, 64923), (323, 62712), (342, 59228), (402, 50388), (408, 49647), (442, 45828), (456, 44421), (468, 43282), (494, 41004), (536, 37791), (603, 33592), (612, 33098), (646, 31356), (663, 30552), (684, 29614), (741, 27336), (804, 25194), (871, 23256), (884, 22914), (936, 21641), (969, 20904), (988, 20502), (1139, 17784), (1206, 16796), (1224, 16549), (1273, 15912), (1292, 15678), (1326, 15276), (1368, 14807), (1482, 13668), (1608, 12597), (1742, 11628), (1768, 11457), (1938, 10452), (1976, 10251), (1989, 10184), (2223, 9112), (2278, 8892), (2412, 8398), (2546, 7956), (2584, 7839), (2613, 7752), (2652, 7638), (2907, 6968), (2964, 6834), (3417, 5928), (3484, 5814), (3819, 5304), (3876, 5226), (3978, 5092), (4199, 4824), (4446, 4556)]