20061910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 43027200

約数和(自身を除く): 22965290

約数列:

[1, 2, 5, 10, 11, 19, 22, 29, 38, 55, 58, 95, 110, 145, 190, 209, 290, 319, 331, 418, 551, 638, 662, 1045, 1102, 1595, 1655, 2090, 2755, 3190, 3310, 3641, 5510, 6061, 6289, 7282, 9599, 12122, 12578, 18205, 19198, 30305, 31445, 36410, 47995, 60610, 62890, 69179, 95990, 105589, 138358, 182381, 211178, 345895, 364762, 527945, 691790, 911905, 1055890, 1823810, 2006191, 4012382, 10030955, 20061910]

約数ペア:

[(1, 20061910), (2, 10030955), (5, 4012382), (10, 2006191), (11, 1823810), (19, 1055890), (22, 911905), (29, 691790), (38, 527945), (55, 364762), (58, 345895), (95, 211178), (110, 182381), (145, 138358), (190, 105589), (209, 95990), (290, 69179), (319, 62890), (331, 60610), (418, 47995), (551, 36410), (638, 31445), (662, 30305), (1045, 19198), (1102, 18205), (1595, 12578), (1655, 12122), (2090, 9599), (2755, 7282), (3190, 6289), (3310, 6061), (3641, 5510)]