20197808630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{18287}}^1$

素因数の和:18473

約数の個数: 64

約数和(自身を含む): 39462577920

約数和(自身を除く): 19264769290

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 89, 146, 170, 178, 365, 445, 730, 890, 1241, 1513, 2482, 3026, 6205, 6497, 7565, 12410, 12994, 15130, 18287, 32485, 36574, 64970, 91435, 110449, 182870, 220898, 310879, 552245, 621758, 1104490, 1334951, 1554395, 1627543, 2669902, 3108790, 3255086, 6674755, 8137715, 13349510, 16275430, 22694167, 27668231, 45388334, 55336462, 113470835, 118810639, 138341155, 226941670, 237621278, 276682310, 594053195, 1188106390, 2019780863, 4039561726, 10098904315, 20197808630]

約数ペア:

[(1, 20197808630), (2, 10098904315), (5, 4039561726), (10, 2019780863), (17, 1188106390), (34, 594053195), (73, 276682310), (85, 237621278), (89, 226941670), (146, 138341155), (170, 118810639), (178, 113470835), (365, 55336462), (445, 45388334), (730, 27668231), (890, 22694167), (1241, 16275430), (1513, 13349510), (2482, 8137715), (3026, 6674755), (6205, 3255086), (6497, 3108790), (7565, 2669902), (12410, 1627543), (12994, 1554395), (15130, 1334951), (18287, 1104490), (32485, 621758), (36574, 552245), (64970, 310879), (91435, 220898), (110449, 182870)]