20148846470

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{204163}}^1$

素因数の和:204380

約数の個数: 32

約数和(自身を含む): 37043516160

約数和(自身を除く): 16894669690

約数列:

[1, 2, 5, 10, 71, 139, 142, 278, 355, 695, 710, 1390, 9869, 19738, 49345, 98690, 204163, 408326, 1020815, 2041630, 14495573, 28378657, 28991146, 56757314, 72477865, 141893285, 144955730, 283786570, 2014884647, 4029769294, 10074423235, 20148846470]

約数ペア:

[(1, 20148846470), (2, 10074423235), (5, 4029769294), (10, 2014884647), (71, 283786570), (139, 144955730), (142, 141893285), (278, 72477865), (355, 56757314), (695, 28991146), (710, 28378657), (1390, 14495573), (9869, 2041630), (19738, 1020815), (49345, 408326), (98690, 204163)]