20192464

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1$

素因数の和:1303

約数の個数: 40

約数和(自身を含む): 42137928

約数和(自身を除く): 21945464

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 1217, 2074, 2434, 4148, 4868, 8296, 9736, 16592, 19472, 20689, 41378, 74237, 82756, 148474, 165512, 296948, 331024, 593896, 1187792, 1262029, 2524058, 5048116, 10096232, 20192464]

約数ペア:

[(1, 20192464), (2, 10096232), (4, 5048116), (8, 2524058), (16, 1262029), (17, 1187792), (34, 593896), (61, 331024), (68, 296948), (122, 165512), (136, 148474), (244, 82756), (272, 74237), (488, 41378), (976, 20689), (1037, 19472), (1217, 16592), (2074, 9736), (2434, 8296), (4148, 4868)]