20185968075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2957651}}^1$

素因数の和:2957684

約数の個数: 48

約数和(自身を含む): 41075870976

約数和(自身を除く): 20889902901

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 6825, 2957651, 8872953, 14788255, 20703557, 38449463, 44364765, 62110671, 73941275, 103517785, 115348389, 192247315, 221823825, 269146241, 310553355, 517588925, 576741945, 807438723, 961236575, 1345731205, 1552766775, 2883709725, 4037193615, 6728656025, 20185968075]

約数ペア:

[(1, 20185968075), (3, 6728656025), (5, 4037193615), (7, 2883709725), (13, 1552766775), (15, 1345731205), (21, 961236575), (25, 807438723), (35, 576741945), (39, 517588925), (65, 310553355), (75, 269146241), (91, 221823825), (105, 192247315), (175, 115348389), (195, 103517785), (273, 73941275), (325, 62110671), (455, 44364765), (525, 38449463), (975, 20703557), (1365, 14788255), (2275, 8872953), (6825, 2957651)]