20325475870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{911}}^1\times {\mathrm{45533}}^1$

素因数の和:46465

約数の個数: 48

約数和(自身を含む): 42606710208

約数和(自身を除く): 22281234338

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 911, 1822, 4555, 6377, 9110, 12754, 31885, 44639, 45533, 63770, 89278, 91066, 223195, 227665, 318731, 446390, 455330, 637462, 1593655, 2231117, 3187310, 4462234, 11155585, 22311170, 41480563, 82961126, 207402815, 290363941, 414805630, 580727882, 1451819705, 2032547587, 2903639410, 4065095174, 10162737935, 20325475870]

約数ペア:

[(1, 20325475870), (2, 10162737935), (5, 4065095174), (7, 2903639410), (10, 2032547587), (14, 1451819705), (35, 580727882), (49, 414805630), (70, 290363941), (98, 207402815), (245, 82961126), (490, 41480563), (911, 22311170), (1822, 11155585), (4555, 4462234), (6377, 3187310), (9110, 2231117), (12754, 1593655), (31885, 637462), (44639, 455330), (45533, 446390), (63770, 318731), (89278, 227665), (91066, 223195)]