20218997072

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1699}}^1\times {\mathrm{23993}}^1$

素因数の和:25731

約数の個数: 40

約数和(自身を含む): 40463481600

約数和(自身を除く): 20244484528

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1699, 3398, 6796, 13592, 23993, 27184, 47986, 52669, 95972, 105338, 191944, 210676, 383888, 421352, 743783, 842704, 1487566, 2975132, 5950264, 11900528, 40764107, 81528214, 163056428, 326112856, 652225712, 1263687317, 2527374634, 5054749268, 10109498536, 20218997072]

約数ペア:

[(1, 20218997072), (2, 10109498536), (4, 5054749268), (8, 2527374634), (16, 1263687317), (31, 652225712), (62, 326112856), (124, 163056428), (248, 81528214), (496, 40764107), (1699, 11900528), (3398, 5950264), (6796, 2975132), (13592, 1487566), (23993, 842704), (27184, 743783), (47986, 421352), (52669, 383888), (95972, 210676), (105338, 191944)]