20291267139

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{2843}}^1$

素因数の和:3128

約数の個数: 64

約数和(自身を含む): 32291094528

約数和(自身を除く): 11999827389

約数列:

[1, 3, 11, 13, 33, 39, 127, 131, 143, 381, 393, 429, 1397, 1441, 1651, 1703, 2843, 4191, 4323, 4953, 5109, 8529, 16637, 18161, 18733, 31273, 36959, 49911, 54483, 56199, 93819, 110877, 183007, 216281, 361061, 372433, 406549, 549021, 648843, 1083183, 1117299, 1219647, 2379091, 3971671, 4096763, 4693793, 4841629, 7137273, 11915013, 12290289, 14081379, 14524887, 47298991, 51631723, 53257919, 141896973, 154895169, 159773757, 520288901, 614886883, 1560866703, 1844660649, 6763755713, 20291267139]

約数ペア:

[(1, 20291267139), (3, 6763755713), (11, 1844660649), (13, 1560866703), (33, 614886883), (39, 520288901), (127, 159773757), (131, 154895169), (143, 141896973), (381, 53257919), (393, 51631723), (429, 47298991), (1397, 14524887), (1441, 14081379), (1651, 12290289), (1703, 11915013), (2843, 7137273), (4191, 4841629), (4323, 4693793), (4953, 4096763), (5109, 3971671), (8529, 2379091), (16637, 1219647), (18161, 1117299), (18733, 1083183), (31273, 648843), (36959, 549021), (49911, 406549), (54483, 372433), (56199, 361061), (93819, 216281), (110877, 183007)]