20187880936

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{20483}}^1\times {\mathrm{7247}}^1$

素因数の和:27753

約数の個数: 32

約数和(自身を含む): 40086368640

約数和(自身を除く): 19898487704

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 7247, 14494, 20483, 28988, 40966, 57976, 81932, 123199, 163864, 246398, 348211, 492796, 696422, 985592, 1392844, 2785688, 148440301, 296880602, 593761204, 1187522408, 2523485117, 5046970234, 10093940468, 20187880936]

約数ペア:

[(1, 20187880936), (2, 10093940468), (4, 5046970234), (8, 2523485117), (17, 1187522408), (34, 593761204), (68, 296880602), (136, 148440301), (7247, 2785688), (14494, 1392844), (20483, 985592), (28988, 696422), (40966, 492796), (57976, 348211), (81932, 246398), (123199, 163864)]