15206720420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1019}}^1\times {\mathrm{18199}}^1$

素因数の和:19268

約数の個数: 48

約数和(自身を含む): 32746896000

約数和(自身を除く): 17540175580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1019, 2038, 4076, 5095, 10190, 18199, 20380, 36398, 41779, 72796, 83558, 90995, 167116, 181990, 208895, 363980, 417790, 746159, 835580, 1492318, 2984636, 3730795, 7461590, 14923180, 18544781, 37089562, 74179124, 92723905, 185447810, 370895620, 760336021, 1520672042, 3041344084, 3801680105, 7603360210, 15206720420]

約数ペア:

[(1, 15206720420), (2, 7603360210), (4, 3801680105), (5, 3041344084), (10, 1520672042), (20, 760336021), (41, 370895620), (82, 185447810), (164, 92723905), (205, 74179124), (410, 37089562), (820, 18544781), (1019, 14923180), (2038, 7461590), (4076, 3730795), (5095, 2984636), (10190, 1492318), (18199, 835580), (20380, 746159), (36398, 417790), (41779, 363980), (72796, 208895), (83558, 181990), (90995, 167116)]