20211556144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2370023}}^1$

素因数の和:2370085

約数の個数: 40

約数和(自身を含む): 43200797472

約数和(自身を除く): 22989241328

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 4264, 8528, 2370023, 4740046, 9480092, 18960184, 30810299, 37920368, 61620598, 97170943, 123241196, 194341886, 246482392, 388683772, 492964784, 777367544, 1263222259, 1554735088, 2526444518, 5052889036, 10105778072, 20211556144]

約数ペア:

[(1, 20211556144), (2, 10105778072), (4, 5052889036), (8, 2526444518), (13, 1554735088), (16, 1263222259), (26, 777367544), (41, 492964784), (52, 388683772), (82, 246482392), (104, 194341886), (164, 123241196), (208, 97170943), (328, 61620598), (533, 37920368), (656, 30810299), (1066, 18960184), (2132, 9480092), (4264, 4740046), (8528, 2370023)]