20321730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1579}}^1$

素因数の和:1616

約数の個数: 96

約数和(自身を含む): 62112960

約数和(自身を除く): 41791230

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 110, 117, 130, 143, 165, 195, 198, 234, 286, 330, 390, 429, 495, 585, 715, 858, 990, 1170, 1287, 1430, 1579, 2145, 2574, 3158, 4290, 4737, 6435, 7895, 9474, 12870, 14211, 15790, 17369, 20527, 23685, 28422, 34738, 41054, 47370, 52107, 61581, 71055, 86845, 102635, 104214, 123162, 142110, 156321, 173690, 184743, 205270, 225797, 260535, 307905, 312642, 369486, 451594, 521070, 615810, 677391, 781605, 923715, 1128985, 1354782, 1563210, 1847430, 2032173, 2257970, 3386955, 4064346, 6773910, 10160865, 20321730]

約数ペア:

[(1, 20321730), (2, 10160865), (3, 6773910), (5, 4064346), (6, 3386955), (9, 2257970), (10, 2032173), (11, 1847430), (13, 1563210), (15, 1354782), (18, 1128985), (22, 923715), (26, 781605), (30, 677391), (33, 615810), (39, 521070), (45, 451594), (55, 369486), (65, 312642), (66, 307905), (78, 260535), (90, 225797), (99, 205270), (110, 184743), (117, 173690), (130, 156321), (143, 142110), (165, 123162), (195, 104214), (198, 102635), (234, 86845), (286, 71055), (330, 61581), (390, 52107), (429, 47370), (495, 41054), (585, 34738), (715, 28422), (858, 23685), (990, 20527), (1170, 17369), (1287, 15790), (1430, 14211), (1579, 12870), (2145, 9474), (2574, 7895), (3158, 6435), (4290, 4737)]