20487688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6793}}^1$

素因数の和:6841

約数の個数: 32

約数和(自身を含む): 42802200

約数和(自身を除く): 22314512

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 6793, 13586, 27172, 54344, 88309, 176618, 196997, 353236, 393994, 706472, 787988, 1575976, 2560961, 5121922, 10243844, 20487688]

約数ペア:

[(1, 20487688), (2, 10243844), (4, 5121922), (8, 2560961), (13, 1575976), (26, 787988), (29, 706472), (52, 393994), (58, 353236), (104, 196997), (116, 176618), (232, 88309), (377, 54344), (754, 27172), (1508, 13586), (3016, 6793)]