20548651878

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{2579}}^1$

素因数の和:2858

約数の個数: 96

約数和(自身を含む): 46752076800

約数和(自身を除く): 26203424922

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 109, 131, 186, 218, 262, 279, 327, 393, 558, 654, 786, 981, 1179, 1962, 2358, 2579, 3379, 4061, 5158, 6758, 7737, 8122, 10137, 12183, 14279, 15474, 20274, 23211, 24366, 28558, 30411, 36549, 42837, 46422, 60822, 73098, 79949, 85674, 128511, 159898, 239847, 257022, 281111, 337849, 442649, 479694, 562222, 675698, 719541, 843333, 885298, 1013547, 1327947, 1439082, 1686666, 2027094, 2529999, 2655894, 3040641, 3983841, 5059998, 6081282, 7967682, 8714441, 10473319, 17428882, 20946638, 26143323, 31419957, 36825541, 52286646, 62839914, 73651082, 78429969, 94259871, 110476623, 156859938, 188519742, 220953246, 331429869, 662859738, 1141591771, 2283183542, 3424775313, 6849550626, 10274325939, 20548651878]

約数ペア:

[(1, 20548651878), (2, 10274325939), (3, 6849550626), (6, 3424775313), (9, 2283183542), (18, 1141591771), (31, 662859738), (62, 331429869), (93, 220953246), (109, 188519742), (131, 156859938), (186, 110476623), (218, 94259871), (262, 78429969), (279, 73651082), (327, 62839914), (393, 52286646), (558, 36825541), (654, 31419957), (786, 26143323), (981, 20946638), (1179, 17428882), (1962, 10473319), (2358, 8714441), (2579, 7967682), (3379, 6081282), (4061, 5059998), (5158, 3983841), (6758, 3040641), (7737, 2655894), (8122, 2529999), (10137, 2027094), (12183, 1686666), (14279, 1439082), (15474, 1327947), (20274, 1013547), (23211, 885298), (24366, 843333), (28558, 719541), (30411, 675698), (36549, 562222), (42837, 479694), (46422, 442649), (60822, 337849), (73098, 281111), (79949, 257022), (85674, 239847), (128511, 159898)]