20189798820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{82657}}^1$

素因数の和:82754

約数の個数: 144

約数和(自身を含む): 64989025920

約数和(自身を除く): 44799227100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 59, 60, 69, 90, 92, 115, 118, 138, 177, 180, 207, 230, 236, 276, 295, 345, 354, 414, 460, 531, 590, 690, 708, 828, 885, 1035, 1062, 1180, 1357, 1380, 1770, 2070, 2124, 2655, 2714, 3540, 4071, 4140, 5310, 5428, 6785, 8142, 10620, 12213, 13570, 16284, 20355, 24426, 27140, 40710, 48852, 61065, 81420, 82657, 122130, 165314, 244260, 247971, 330628, 413285, 495942, 743913, 826570, 991884, 1239855, 1487826, 1653140, 1901111, 2479710, 2975652, 3719565, 3802222, 4876763, 4959420, 5703333, 7439130, 7604444, 9505555, 9753526, 11406666, 14630289, 14878260, 17109999, 19011110, 19507052, 22813332, 24383815, 28516665, 29260578, 34219998, 38022220, 43890867, 48767630, 57033330, 58521156, 68439996, 73151445, 85549995, 87781734, 97535260, 112165549, 114066660, 146302890, 171099990, 175563468, 219454335, 224331098, 292605780, 336496647, 342199980, 438908670, 448662196, 560827745, 672993294, 877817340, 1009489941, 1121655490, 1345986588, 1682483235, 2018979882, 2243310980, 3364966470, 4037959764, 5047449705, 6729932940, 10094899410, 20189798820]

約数ペア:

[(1, 20189798820), (2, 10094899410), (3, 6729932940), (4, 5047449705), (5, 4037959764), (6, 3364966470), (9, 2243310980), (10, 2018979882), (12, 1682483235), (15, 1345986588), (18, 1121655490), (20, 1009489941), (23, 877817340), (30, 672993294), (36, 560827745), (45, 448662196), (46, 438908670), (59, 342199980), (60, 336496647), (69, 292605780), (90, 224331098), (92, 219454335), (115, 175563468), (118, 171099990), (138, 146302890), (177, 114066660), (180, 112165549), (207, 97535260), (230, 87781734), (236, 85549995), (276, 73151445), (295, 68439996), (345, 58521156), (354, 57033330), (414, 48767630), (460, 43890867), (531, 38022220), (590, 34219998), (690, 29260578), (708, 28516665), (828, 24383815), (885, 22813332), (1035, 19507052), (1062, 19011110), (1180, 17109999), (1357, 14878260), (1380, 14630289), (1770, 11406666), (2070, 9753526), (2124, 9505555), (2655, 7604444), (2714, 7439130), (3540, 5703333), (4071, 4959420), (4140, 4876763), (5310, 3802222), (5428, 3719565), (6785, 2975652), (8142, 2479710), (10620, 1901111), (12213, 1653140), (13570, 1487826), (16284, 1239855), (20355, 991884), (24426, 826570), (27140, 743913), (40710, 495942), (48852, 413285), (61065, 330628), (81420, 247971), (82657, 244260), (122130, 165314)]