20195977802

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1601}}^1\times {\mathrm{6301}}^1$

素因数の和:7935

約数の個数: 64

約数和(自身を含む): 40706281728

約数和(自身を除く): 20510303926

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 1601, 2002, 3202, 6301, 11207, 12602, 17611, 20813, 22414, 35222, 41626, 44107, 69311, 81913, 88214, 123277, 138622, 145691, 163826, 228943, 246554, 291382, 457886, 485177, 573391, 901043, 970354, 1146782, 1602601, 1802086, 3205202, 6307301, 10087901, 12614602, 20175802, 70615307, 110966911, 131142713, 141230614, 221933822, 262285426, 776768377, 917998991, 1442569843, 1553536754, 1835997982, 2885139686, 10097988901, 20195977802]

約数ペア:

[(1, 20195977802), (2, 10097988901), (7, 2885139686), (11, 1835997982), (13, 1553536754), (14, 1442569843), (22, 917998991), (26, 776768377), (77, 262285426), (91, 221933822), (143, 141230614), (154, 131142713), (182, 110966911), (286, 70615307), (1001, 20175802), (1601, 12614602), (2002, 10087901), (3202, 6307301), (6301, 3205202), (11207, 1802086), (12602, 1602601), (17611, 1146782), (20813, 970354), (22414, 901043), (35222, 573391), (41626, 485177), (44107, 457886), (69311, 291382), (81913, 246554), (88214, 228943), (123277, 163826), (138622, 145691)]