20122969408

素因数分解:

$2^6\times {\mathrm{499}}^1\times {\mathrm{641}}^1\times {\mathrm{983}}^1$

素因数の和:2135

約数の個数: 56

約数和(自身を含む): 40114728000

約数和(自身を除く): 19991758592

約数列:

[1, 2, 4, 8, 16, 32, 64, 499, 641, 983, 998, 1282, 1966, 1996, 2564, 3932, 3992, 5128, 7864, 7984, 10256, 15728, 15968, 20512, 31456, 31936, 41024, 62912, 319859, 490517, 630103, 639718, 981034, 1260206, 1279436, 1962068, 2520412, 2558872, 3924136, 5040824, 5117744, 7848272, 10081648, 10235488, 15696544, 20163296, 20470976, 31393088, 40326592, 314421397, 628842794, 1257685588, 2515371176, 5030742352, 10061484704, 20122969408]

約数ペア:

[(1, 20122969408), (2, 10061484704), (4, 5030742352), (8, 2515371176), (16, 1257685588), (32, 628842794), (64, 314421397), (499, 40326592), (641, 31393088), (983, 20470976), (998, 20163296), (1282, 15696544), (1966, 10235488), (1996, 10081648), (2564, 7848272), (3932, 5117744), (3992, 5040824), (5128, 3924136), (7864, 2558872), (7984, 2520412), (10256, 1962068), (15728, 1279436), (15968, 1260206), (20512, 981034), (31456, 639718), (31936, 630103), (41024, 490517), (62912, 319859)]