20595780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3691}}^1$

素因数の和:3737

約数の個数: 72

約数和(自身を含む): 64506624

約数和(自身を除く): 43910844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3691, 5580, 7382, 11073, 14764, 18455, 22146, 33219, 36910, 44292, 55365, 66438, 73820, 110730, 114421, 132876, 166095, 221460, 228842, 332190, 343263, 457684, 572105, 664380, 686526, 1029789, 1144210, 1373052, 1716315, 2059578, 2288420, 3432630, 4119156, 5148945, 6865260, 10297890, 20595780]

約数ペア:

[(1, 20595780), (2, 10297890), (3, 6865260), (4, 5148945), (5, 4119156), (6, 3432630), (9, 2288420), (10, 2059578), (12, 1716315), (15, 1373052), (18, 1144210), (20, 1029789), (30, 686526), (31, 664380), (36, 572105), (45, 457684), (60, 343263), (62, 332190), (90, 228842), (93, 221460), (124, 166095), (155, 132876), (180, 114421), (186, 110730), (279, 73820), (310, 66438), (372, 55365), (465, 44292), (558, 36910), (620, 33219), (930, 22146), (1116, 18455), (1395, 14764), (1860, 11073), (2790, 7382), (3691, 5580)]