20460195

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{1031}}^1$

素因数の和:1062

約数の個数: 60

約数和(自身を含む): 42706224

約数和(自身を除く): 22246029

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 245, 315, 405, 441, 567, 735, 945, 1031, 1323, 2205, 2835, 3093, 3969, 5155, 6615, 7217, 9279, 15465, 19845, 21651, 27837, 36085, 46395, 50519, 64953, 83511, 108255, 139185, 151557, 194859, 252595, 324765, 417555, 454671, 584577, 757785, 974295, 1364013, 2273355, 2922885, 4092039, 6820065, 20460195]

約数ペア:

[(1, 20460195), (3, 6820065), (5, 4092039), (7, 2922885), (9, 2273355), (15, 1364013), (21, 974295), (27, 757785), (35, 584577), (45, 454671), (49, 417555), (63, 324765), (81, 252595), (105, 194859), (135, 151557), (147, 139185), (189, 108255), (245, 83511), (315, 64953), (405, 50519), (441, 46395), (567, 36085), (735, 27837), (945, 21651), (1031, 19845), (1323, 15465), (2205, 9279), (2835, 7217), (3093, 6615), (3969, 5155)]