20382560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:376

約数の個数: 96

約数和(自身を含む): 54123552

約数和(自身を除く): 33740992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 74, 80, 88, 110, 148, 160, 176, 185, 220, 296, 313, 352, 370, 407, 440, 592, 626, 740, 814, 880, 1184, 1252, 1480, 1565, 1628, 1760, 2035, 2504, 2960, 3130, 3256, 3443, 4070, 5008, 5920, 6260, 6512, 6886, 8140, 10016, 11581, 12520, 13024, 13772, 16280, 17215, 23162, 25040, 27544, 32560, 34430, 46324, 50080, 55088, 57905, 65120, 68860, 92648, 110176, 115810, 127391, 137720, 185296, 231620, 254782, 275440, 370592, 463240, 509564, 550880, 636955, 926480, 1019128, 1273910, 1852960, 2038256, 2547820, 4076512, 5095640, 10191280, 20382560]

約数ペア:

[(1, 20382560), (2, 10191280), (4, 5095640), (5, 4076512), (8, 2547820), (10, 2038256), (11, 1852960), (16, 1273910), (20, 1019128), (22, 926480), (32, 636955), (37, 550880), (40, 509564), (44, 463240), (55, 370592), (74, 275440), (80, 254782), (88, 231620), (110, 185296), (148, 137720), (160, 127391), (176, 115810), (185, 110176), (220, 92648), (296, 68860), (313, 65120), (352, 57905), (370, 55088), (407, 50080), (440, 46324), (592, 34430), (626, 32560), (740, 27544), (814, 25040), (880, 23162), (1184, 17215), (1252, 16280), (1480, 13772), (1565, 13024), (1628, 12520), (1760, 11581), (2035, 10016), (2504, 8140), (2960, 6886), (3130, 6512), (3256, 6260), (3443, 5920), (4070, 5008)]