20352368

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1109}}^1$

素因数の和:1185

約数の個数: 40

約数和(自身を含む): 41842560

約数和(自身を除く): 21490192

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 1109, 1147, 2218, 2294, 4436, 4588, 8872, 9176, 17744, 18352, 34379, 41033, 68758, 82066, 137516, 164132, 275032, 328264, 550064, 656528, 1272023, 2544046, 5088092, 10176184, 20352368]

約数ペア:

[(1, 20352368), (2, 10176184), (4, 5088092), (8, 2544046), (16, 1272023), (31, 656528), (37, 550064), (62, 328264), (74, 275032), (124, 164132), (148, 137516), (248, 82066), (296, 68758), (496, 41033), (592, 34379), (1109, 18352), (1147, 17744), (2218, 9176), (2294, 8872), (4436, 4588)]