20163511515

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{242773}}^1$

素因数の和:242908

約数の個数: 48

約数和(自身を含む): 37861090848

約数和(自身を除く): 17697579333

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 113, 147, 245, 339, 565, 735, 791, 1695, 2373, 3955, 5537, 11865, 16611, 27685, 83055, 242773, 728319, 1213865, 1699411, 3641595, 5098233, 8497055, 11895877, 25491165, 27433349, 35687631, 59479385, 82300047, 137166745, 178438155, 192033443, 411500235, 576100329, 960167215, 1344234101, 2880501645, 4032702303, 6721170505, 20163511515]

約数ペア:

[(1, 20163511515), (3, 6721170505), (5, 4032702303), (7, 2880501645), (15, 1344234101), (21, 960167215), (35, 576100329), (49, 411500235), (105, 192033443), (113, 178438155), (147, 137166745), (245, 82300047), (339, 59479385), (565, 35687631), (735, 27433349), (791, 25491165), (1695, 11895877), (2373, 8497055), (3955, 5098233), (5537, 3641595), (11865, 1699411), (16611, 1213865), (27685, 728319), (83055, 242773)]