20170989436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1\times {\mathrm{10487}}^1$

素因数の和:11338

約数の個数: 48

約数和(自身を含む): 38876414976

約数和(自身を除く): 18705425540

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 787, 1222, 1574, 2444, 3148, 10231, 10487, 20462, 20974, 36989, 40924, 41948, 73978, 136331, 147956, 272662, 480857, 492889, 545324, 961714, 985778, 1923428, 1971556, 6407557, 8253269, 12815114, 16506538, 25630228, 33013076, 107292497, 214584994, 387903643, 429169988, 775807286, 1551614572, 5042747359, 10085494718, 20170989436]

約数ペア:

[(1, 20170989436), (2, 10085494718), (4, 5042747359), (13, 1551614572), (26, 775807286), (47, 429169988), (52, 387903643), (94, 214584994), (188, 107292497), (611, 33013076), (787, 25630228), (1222, 16506538), (1574, 12815114), (2444, 8253269), (3148, 6407557), (10231, 1971556), (10487, 1923428), (20462, 985778), (20974, 961714), (36989, 545324), (40924, 492889), (41948, 480857), (73978, 272662), (136331, 147956)]