20169944080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{5081}}^1$

素因数の和:5465

約数の個数: 160

約数和(自身を含む): 55263212928

約数和(自身を除く): 35093268848

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 347, 440, 520, 572, 694, 715, 880, 1040, 1144, 1388, 1430, 1735, 2288, 2776, 2860, 3470, 3817, 4511, 5081, 5552, 5720, 6940, 7634, 9022, 10162, 11440, 13880, 15268, 18044, 19085, 20324, 22555, 25405, 27760, 30536, 36088, 38170, 40648, 45110, 49621, 50810, 55891, 61072, 66053, 72176, 76340, 81296, 90220, 99242, 101620, 111782, 132106, 152680, 180440, 198484, 203240, 223564, 248105, 264212, 279455, 305360, 330265, 360880, 396968, 406480, 447128, 496210, 528424, 558910, 660530, 726583, 793936, 894256, 992420, 1056848, 1117820, 1321060, 1453166, 1763107, 1984840, 2235640, 2642120, 2906332, 3526214, 3632915, 3969680, 4471280, 5284240, 5812664, 7052428, 7265830, 8815535, 11625328, 14104856, 14531660, 17631070, 19394177, 22920391, 28209712, 29063320, 35262140, 38788354, 45840782, 58126640, 70524280, 77576708, 91681564, 96970885, 114601955, 141048560, 155153416, 183363128, 193941770, 229203910, 252124301, 310306832, 366726256, 387883540, 458407820, 504248602, 775767080, 916815640, 1008497204, 1260621505, 1551534160, 1833631280, 2016994408, 2521243010, 4033988816, 5042486020, 10084972040, 20169944080]

約数ペア:

[(1, 20169944080), (2, 10084972040), (4, 5042486020), (5, 4033988816), (8, 2521243010), (10, 2016994408), (11, 1833631280), (13, 1551534160), (16, 1260621505), (20, 1008497204), (22, 916815640), (26, 775767080), (40, 504248602), (44, 458407820), (52, 387883540), (55, 366726256), (65, 310306832), (80, 252124301), (88, 229203910), (104, 193941770), (110, 183363128), (130, 155153416), (143, 141048560), (176, 114601955), (208, 96970885), (220, 91681564), (260, 77576708), (286, 70524280), (347, 58126640), (440, 45840782), (520, 38788354), (572, 35262140), (694, 29063320), (715, 28209712), (880, 22920391), (1040, 19394177), (1144, 17631070), (1388, 14531660), (1430, 14104856), (1735, 11625328), (2288, 8815535), (2776, 7265830), (2860, 7052428), (3470, 5812664), (3817, 5284240), (4511, 4471280), (5081, 3969680), (5552, 3632915), (5720, 3526214), (6940, 2906332), (7634, 2642120), (9022, 2235640), (10162, 1984840), (11440, 1763107), (13880, 1453166), (15268, 1321060), (18044, 1117820), (19085, 1056848), (20324, 992420), (22555, 894256), (25405, 793936), (27760, 726583), (30536, 660530), (36088, 558910), (38170, 528424), (40648, 496210), (45110, 447128), (49621, 406480), (50810, 396968), (55891, 360880), (61072, 330265), (66053, 305360), (72176, 279455), (76340, 264212), (81296, 248105), (90220, 223564), (99242, 203240), (101620, 198484), (111782, 180440), (132106, 152680)]