20163722480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{84551}}^1$

素因数の和:84846

約数の個数: 80

約数和(自身を含む): 51331857408

約数和(自身を除く): 31168134928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 271, 440, 542, 880, 1084, 1355, 2168, 2710, 2981, 4336, 5420, 5962, 10840, 11924, 14905, 21680, 23848, 29810, 47696, 59620, 84551, 119240, 169102, 238480, 338204, 422755, 676408, 845510, 930061, 1352816, 1691020, 1860122, 3382040, 3720244, 4650305, 6764080, 7440488, 9300610, 14880976, 18601220, 22913321, 37202440, 45826642, 74404880, 91653284, 114566605, 183306568, 229133210, 252046531, 366613136, 458266420, 504093062, 916532840, 1008186124, 1260232655, 1833065680, 2016372248, 2520465310, 4032744496, 5040930620, 10081861240, 20163722480]

約数ペア:

[(1, 20163722480), (2, 10081861240), (4, 5040930620), (5, 4032744496), (8, 2520465310), (10, 2016372248), (11, 1833065680), (16, 1260232655), (20, 1008186124), (22, 916532840), (40, 504093062), (44, 458266420), (55, 366613136), (80, 252046531), (88, 229133210), (110, 183306568), (176, 114566605), (220, 91653284), (271, 74404880), (440, 45826642), (542, 37202440), (880, 22913321), (1084, 18601220), (1355, 14880976), (2168, 9300610), (2710, 7440488), (2981, 6764080), (4336, 4650305), (5420, 3720244), (5962, 3382040), (10840, 1860122), (11924, 1691020), (14905, 1352816), (21680, 930061), (23848, 845510), (29810, 676408), (47696, 422755), (59620, 338204), (84551, 238480), (119240, 169102)]