20145803769

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{162901}}^1$

素因数の和:163078

約数の個数: 48

約数和(自身を含む): 36052167424

約数和(自身を除く): 15906363655

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 151, 273, 453, 819, 1057, 1359, 1963, 3171, 5889, 9513, 13741, 17667, 41223, 123669, 162901, 488703, 1140307, 1466109, 2117713, 3420921, 6353139, 10262763, 14823991, 19059417, 24598051, 44471973, 73794153, 133415919, 172186357, 221382459, 319774663, 516559071, 959323989, 1549677213, 2238422641, 2877971967, 6715267923, 20145803769]

約数ペア:

[(1, 20145803769), (3, 6715267923), (7, 2877971967), (9, 2238422641), (13, 1549677213), (21, 959323989), (39, 516559071), (63, 319774663), (91, 221382459), (117, 172186357), (151, 133415919), (273, 73794153), (453, 44471973), (819, 24598051), (1057, 19059417), (1359, 14823991), (1963, 10262763), (3171, 6353139), (5889, 3420921), (9513, 2117713), (13741, 1466109), (17667, 1140307), (41223, 488703), (123669, 162901)]