20199264320

素因数分解:

$2^6\times 5^1\times {\mathrm{7927}}^1\times {\mathrm{7963}}^1$

素因数の和:15907

約数の個数: 56

約数和(自身を含む): 48111607104

約数和(自身を除く): 27912342784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 7927, 7963, 15854, 15926, 31708, 31852, 39635, 39815, 63416, 63704, 79270, 79630, 126832, 127408, 158540, 159260, 253664, 254816, 317080, 318520, 507328, 509632, 634160, 637040, 1268320, 1274080, 2536640, 2548160, 63122701, 126245402, 252490804, 315613505, 504981608, 631227010, 1009963216, 1262454020, 2019926432, 2524908040, 4039852864, 5049816080, 10099632160, 20199264320]

約数ペア:

[(1, 20199264320), (2, 10099632160), (4, 5049816080), (5, 4039852864), (8, 2524908040), (10, 2019926432), (16, 1262454020), (20, 1009963216), (32, 631227010), (40, 504981608), (64, 315613505), (80, 252490804), (160, 126245402), (320, 63122701), (7927, 2548160), (7963, 2536640), (15854, 1274080), (15926, 1268320), (31708, 637040), (31852, 634160), (39635, 509632), (39815, 507328), (63416, 318520), (63704, 317080), (79270, 254816), (79630, 253664), (126832, 159260), (127408, 158540)]