20182161580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1\times {\mathrm{1171}}^1$

素因数の和:1895

約数の個数: 96

約数和(自身を含む): 48757750272

約数和(自身を除く): 28575588692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 401, 614, 802, 1171, 1228, 1535, 1604, 2005, 2149, 2342, 2807, 3070, 4010, 4298, 4684, 5614, 5855, 6140, 8020, 8197, 8596, 10745, 11228, 11710, 14035, 16394, 21490, 23420, 28070, 32788, 40985, 42980, 56140, 81970, 123107, 163940, 246214, 359497, 469571, 492428, 615535, 718994, 861749, 939142, 1231070, 1437988, 1723498, 1797485, 1878284, 2347855, 2462140, 2516479, 3286997, 3446996, 3594970, 4308745, 4695710, 5032958, 6573994, 7189940, 8617490, 9391420, 10065916, 12582395, 13147988, 16434985, 17234980, 25164790, 32869970, 50329580, 65739940, 144158297, 288316594, 576633188, 720791485, 1009108079, 1441582970, 2018216158, 2883165940, 4036432316, 5045540395, 10091080790, 20182161580]

約数ペア:

[(1, 20182161580), (2, 10091080790), (4, 5045540395), (5, 4036432316), (7, 2883165940), (10, 2018216158), (14, 1441582970), (20, 1009108079), (28, 720791485), (35, 576633188), (70, 288316594), (140, 144158297), (307, 65739940), (401, 50329580), (614, 32869970), (802, 25164790), (1171, 17234980), (1228, 16434985), (1535, 13147988), (1604, 12582395), (2005, 10065916), (2149, 9391420), (2342, 8617490), (2807, 7189940), (3070, 6573994), (4010, 5032958), (4298, 4695710), (4684, 4308745), (5614, 3594970), (5855, 3446996), (6140, 3286997), (8020, 2516479), (8197, 2462140), (8596, 2347855), (10745, 1878284), (11228, 1797485), (11710, 1723498), (14035, 1437988), (16394, 1231070), (21490, 939142), (23420, 861749), (28070, 718994), (32788, 615535), (40985, 492428), (42980, 469571), (56140, 359497), (81970, 246214), (123107, 163940)]