20189244520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1\times {\mathrm{23173}}^1$

素因数の和:24154

約数の個数: 64

約数和(自身を含む): 47452936320

約数和(自身を除く): 27263691800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 947, 1894, 3788, 4735, 7576, 9470, 18940, 21781, 23173, 37880, 43562, 46346, 87124, 92692, 108905, 115865, 174248, 185384, 217810, 231730, 435620, 463460, 532979, 871240, 926920, 1065958, 2131916, 2664895, 4263832, 5329790, 10659580, 21319160, 21944831, 43889662, 87779324, 109724155, 175558648, 219448310, 438896620, 504731113, 877793240, 1009462226, 2018924452, 2523655565, 4037848904, 5047311130, 10094622260, 20189244520]

約数ペア:

[(1, 20189244520), (2, 10094622260), (4, 5047311130), (5, 4037848904), (8, 2523655565), (10, 2018924452), (20, 1009462226), (23, 877793240), (40, 504731113), (46, 438896620), (92, 219448310), (115, 175558648), (184, 109724155), (230, 87779324), (460, 43889662), (920, 21944831), (947, 21319160), (1894, 10659580), (3788, 5329790), (4735, 4263832), (7576, 2664895), (9470, 2131916), (18940, 1065958), (21781, 926920), (23173, 871240), (37880, 532979), (43562, 463460), (46346, 435620), (87124, 231730), (92692, 217810), (108905, 185384), (115865, 174248)]