20172921444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{12689}}^1$

素因数の和:12834

約数の個数: 144

約数和(自身を含む): 56908051200

約数和(自身を除く): 36735129756

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 79, 86, 117, 129, 156, 158, 172, 234, 237, 258, 316, 387, 468, 474, 516, 559, 711, 774, 948, 1027, 1118, 1422, 1548, 1677, 2054, 2236, 2844, 3081, 3354, 3397, 4108, 5031, 6162, 6708, 6794, 9243, 10062, 10191, 12324, 12689, 13588, 18486, 20124, 20382, 25378, 30573, 36972, 38067, 40764, 44161, 50756, 61146, 76134, 88322, 114201, 122292, 132483, 152268, 164957, 176644, 228402, 264966, 329914, 397449, 456804, 494871, 529932, 545627, 659828, 794898, 989742, 1002431, 1091254, 1484613, 1589796, 1636881, 1979484, 2004862, 2182508, 2969226, 3007293, 3273762, 4009724, 4910643, 5938452, 6014586, 6547524, 7093151, 9021879, 9821286, 12029172, 13031603, 14186302, 18043758, 19642572, 21279453, 26063206, 28372604, 36087516, 39094809, 42558906, 43104533, 52126412, 63838359, 78189618, 85117812, 86209066, 117284427, 127676718, 129313599, 156379236, 172418132, 234568854, 255353436, 258627198, 387940797, 469137708, 517254396, 560358929, 775881594, 1120717858, 1551763188, 1681076787, 2241435716, 3362153574, 5043230361, 6724307148, 10086460722, 20172921444]

約数ペア:

[(1, 20172921444), (2, 10086460722), (3, 6724307148), (4, 5043230361), (6, 3362153574), (9, 2241435716), (12, 1681076787), (13, 1551763188), (18, 1120717858), (26, 775881594), (36, 560358929), (39, 517254396), (43, 469137708), (52, 387940797), (78, 258627198), (79, 255353436), (86, 234568854), (117, 172418132), (129, 156379236), (156, 129313599), (158, 127676718), (172, 117284427), (234, 86209066), (237, 85117812), (258, 78189618), (316, 63838359), (387, 52126412), (468, 43104533), (474, 42558906), (516, 39094809), (559, 36087516), (711, 28372604), (774, 26063206), (948, 21279453), (1027, 19642572), (1118, 18043758), (1422, 14186302), (1548, 13031603), (1677, 12029172), (2054, 9821286), (2236, 9021879), (2844, 7093151), (3081, 6547524), (3354, 6014586), (3397, 5938452), (4108, 4910643), (5031, 4009724), (6162, 3273762), (6708, 3007293), (6794, 2969226), (9243, 2182508), (10062, 2004862), (10191, 1979484), (12324, 1636881), (12689, 1589796), (13588, 1484613), (18486, 1091254), (20124, 1002431), (20382, 989742), (25378, 794898), (30573, 659828), (36972, 545627), (38067, 529932), (40764, 494871), (44161, 456804), (50756, 397449), (61146, 329914), (76134, 264966), (88322, 228402), (114201, 176644), (122292, 164957), (132483, 152268)]