20120287312

素因数分解:

$2^4\times {\mathrm{16921}}^1\times {\mathrm{74317}}^1$

素因数の和:91246

約数の個数: 20

約数和(自身を含む): 38985885076

約数和(自身を除く): 18865597764

約数列:

[1, 2, 4, 8, 16, 16921, 33842, 67684, 74317, 135368, 148634, 270736, 297268, 594536, 1189072, 1257517957, 2515035914, 5030071828, 10060143656, 20120287312]

約数ペア:

[(1, 20120287312), (2, 10060143656), (4, 5030071828), (8, 2515035914), (16, 1257517957), (16921, 1189072), (33842, 594536), (67684, 297268), (74317, 270736), (135368, 148634)]