20315257564

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{312331}}^1$

素因数の和:312466

約数の個数: 48

約数和(自身を含む): 42816969216

約数和(自身を除く): 22501711652

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 101, 161, 202, 322, 404, 644, 707, 1414, 2323, 2828, 4646, 9292, 16261, 32522, 65044, 312331, 624662, 1249324, 2186317, 4372634, 7183613, 8745268, 14367226, 28734452, 31545431, 50285291, 63090862, 100570582, 126181724, 201141164, 220818017, 441636034, 725544913, 883272068, 1451089826, 2902179652, 5078814391, 10157628782, 20315257564]

約数ペア:

[(1, 20315257564), (2, 10157628782), (4, 5078814391), (7, 2902179652), (14, 1451089826), (23, 883272068), (28, 725544913), (46, 441636034), (92, 220818017), (101, 201141164), (161, 126181724), (202, 100570582), (322, 63090862), (404, 50285291), (644, 31545431), (707, 28734452), (1414, 14367226), (2323, 8745268), (2828, 7183613), (4646, 4372634), (9292, 2186317), (16261, 1249324), (32522, 624662), (65044, 312331)]