20175217065

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1\times {\mathrm{19991}}^1$

素因数の和:20590

約数の個数: 48

約数和(自身を含む): 35890598016

約数和(自身を除く): 15715380951

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 547, 615, 1641, 1845, 2735, 4923, 8205, 19991, 22427, 24615, 59973, 67281, 99955, 112135, 179919, 201843, 299865, 336405, 819631, 899595, 1009215, 2458893, 4098155, 7376679, 10935077, 12294465, 32805231, 36883395, 54675385, 98415693, 164026155, 448338157, 492078465, 1345014471, 2241690785, 4035043413, 6725072355, 20175217065]

約数ペア:

[(1, 20175217065), (3, 6725072355), (5, 4035043413), (9, 2241690785), (15, 1345014471), (41, 492078465), (45, 448338157), (123, 164026155), (205, 98415693), (369, 54675385), (547, 36883395), (615, 32805231), (1641, 12294465), (1845, 10935077), (2735, 7376679), (4923, 4098155), (8205, 2458893), (19991, 1009215), (22427, 899595), (24615, 819631), (59973, 336405), (67281, 299865), (99955, 201843), (112135, 179919)]