20822640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1637}}^1$

素因数の和:1706

約数の個数: 80

約数和(自身を含む): 65808288

約数和(自身を除く): 44985648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 1637, 2120, 2544, 3180, 3274, 4240, 4911, 6360, 6548, 8185, 9822, 12720, 13096, 16370, 19644, 24555, 26192, 32740, 39288, 49110, 65480, 78576, 86761, 98220, 130960, 173522, 196440, 260283, 347044, 392880, 433805, 520566, 694088, 867610, 1041132, 1301415, 1388176, 1735220, 2082264, 2602830, 3470440, 4164528, 5205660, 6940880, 10411320, 20822640]

約数ペア:

[(1, 20822640), (2, 10411320), (3, 6940880), (4, 5205660), (5, 4164528), (6, 3470440), (8, 2602830), (10, 2082264), (12, 1735220), (15, 1388176), (16, 1301415), (20, 1041132), (24, 867610), (30, 694088), (40, 520566), (48, 433805), (53, 392880), (60, 347044), (80, 260283), (106, 196440), (120, 173522), (159, 130960), (212, 98220), (240, 86761), (265, 78576), (318, 65480), (424, 49110), (530, 39288), (636, 32740), (795, 26192), (848, 24555), (1060, 19644), (1272, 16370), (1590, 13096), (1637, 12720), (2120, 9822), (2544, 8185), (3180, 6548), (3274, 6360), (4240, 4911)]