20545044

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 55996416

約数和(自身を除く): 35451372

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 61, 68, 78, 102, 122, 127, 156, 183, 204, 221, 244, 254, 366, 381, 442, 508, 663, 732, 762, 793, 884, 1037, 1326, 1524, 1586, 1651, 2074, 2159, 2379, 2652, 3111, 3172, 3302, 4148, 4318, 4758, 4953, 6222, 6477, 6604, 7747, 8636, 9516, 9906, 12444, 12954, 13481, 15494, 19812, 23241, 25908, 26962, 28067, 30988, 40443, 46482, 53924, 56134, 80886, 84201, 92964, 100711, 112268, 131699, 161772, 168402, 201422, 263398, 302133, 336804, 395097, 402844, 526796, 604266, 790194, 1208532, 1580388, 1712087, 3424174, 5136261, 6848348, 10272522, 20545044]

約数ペア:

[(1, 20545044), (2, 10272522), (3, 6848348), (4, 5136261), (6, 3424174), (12, 1712087), (13, 1580388), (17, 1208532), (26, 790194), (34, 604266), (39, 526796), (51, 402844), (52, 395097), (61, 336804), (68, 302133), (78, 263398), (102, 201422), (122, 168402), (127, 161772), (156, 131699), (183, 112268), (204, 100711), (221, 92964), (244, 84201), (254, 80886), (366, 56134), (381, 53924), (442, 46482), (508, 40443), (663, 30988), (732, 28067), (762, 26962), (793, 25908), (884, 23241), (1037, 19812), (1326, 15494), (1524, 13481), (1586, 12954), (1651, 12444), (2074, 9906), (2159, 9516), (2379, 8636), (2652, 7747), (3111, 6604), (3172, 6477), (3302, 6222), (4148, 4953), (4318, 4758)]