20383560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1381}}^1$

素因数の和:1439

約数の個数: 96

約数和(自身を含む): 67911480

約数和(自身を除く): 47527920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1381, 1476, 1640, 1845, 2460, 2762, 2952, 3690, 4143, 4920, 5524, 6905, 7380, 8286, 11048, 12429, 13810, 14760, 16572, 20715, 24858, 27620, 33144, 41430, 49716, 55240, 56621, 62145, 82860, 99432, 113242, 124290, 165720, 169863, 226484, 248580, 283105, 339726, 452968, 497160, 509589, 566210, 679452, 849315, 1019178, 1132420, 1358904, 1698630, 2038356, 2264840, 2547945, 3397260, 4076712, 5095890, 6794520, 10191780, 20383560]

約数ペア:

[(1, 20383560), (2, 10191780), (3, 6794520), (4, 5095890), (5, 4076712), (6, 3397260), (8, 2547945), (9, 2264840), (10, 2038356), (12, 1698630), (15, 1358904), (18, 1132420), (20, 1019178), (24, 849315), (30, 679452), (36, 566210), (40, 509589), (41, 497160), (45, 452968), (60, 339726), (72, 283105), (82, 248580), (90, 226484), (120, 169863), (123, 165720), (164, 124290), (180, 113242), (205, 99432), (246, 82860), (328, 62145), (360, 56621), (369, 55240), (410, 49716), (492, 41430), (615, 33144), (738, 27620), (820, 24858), (984, 20715), (1230, 16572), (1381, 14760), (1476, 13810), (1640, 12429), (1845, 11048), (2460, 8286), (2762, 7380), (2952, 6905), (3690, 5524), (4143, 4920)]