20188584

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21569}}^1$

素因数の和:21594

約数の個数: 48

約数和(自身を含む): 58886100

約数和(自身を除く): 38697516

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21569, 43138, 64707, 86276, 129414, 172552, 194121, 258828, 280397, 388242, 517656, 560794, 776484, 841191, 1121588, 1552968, 1682382, 2243176, 2523573, 3364764, 5047146, 6729528, 10094292, 20188584]

約数ペア:

[(1, 20188584), (2, 10094292), (3, 6729528), (4, 5047146), (6, 3364764), (8, 2523573), (9, 2243176), (12, 1682382), (13, 1552968), (18, 1121588), (24, 841191), (26, 776484), (36, 560794), (39, 517656), (52, 388242), (72, 280397), (78, 258828), (104, 194121), (117, 172552), (156, 129414), (234, 86276), (312, 64707), (468, 43138), (936, 21569)]