20783802

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 47021184

約数和(自身を除く): 26237382

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 67, 78, 82, 97, 123, 134, 194, 201, 246, 291, 402, 533, 582, 871, 1066, 1261, 1599, 1742, 2522, 2613, 2747, 3198, 3783, 3977, 5226, 5494, 6499, 7566, 7954, 8241, 11931, 12998, 16482, 19497, 23862, 35711, 38994, 51701, 71422, 84487, 103402, 107133, 155103, 168974, 214266, 253461, 266459, 310206, 506922, 532918, 799377, 1598754, 3463967, 6927934, 10391901, 20783802]

約数ペア:

[(1, 20783802), (2, 10391901), (3, 6927934), (6, 3463967), (13, 1598754), (26, 799377), (39, 532918), (41, 506922), (67, 310206), (78, 266459), (82, 253461), (97, 214266), (123, 168974), (134, 155103), (194, 107133), (201, 103402), (246, 84487), (291, 71422), (402, 51701), (533, 38994), (582, 35711), (871, 23862), (1066, 19497), (1261, 16482), (1599, 12998), (1742, 11931), (2522, 8241), (2613, 7954), (2747, 7566), (3198, 6499), (3783, 5494), (3977, 5226)]