20189940407

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{1697}}^1$

素因数の和:1932

約数の個数: 48

約数和(自身を含む): 25505046720

約数和(自身を除く): 5315106313

約数列:

[1, 7, 13, 89, 91, 113, 169, 623, 791, 1157, 1183, 1469, 1697, 8099, 10057, 10283, 11879, 15041, 19097, 22061, 70399, 105287, 130741, 133679, 151033, 154427, 191761, 286793, 915187, 1057231, 1342327, 1699633, 1963429, 2007551, 2492893, 11897431, 13744003, 17066729, 17450251, 25524577, 32407609, 119467103, 178672039, 221867477, 226853263, 1553072339, 2884277201, 20189940407]

約数ペア:

[(1, 20189940407), (7, 2884277201), (13, 1553072339), (89, 226853263), (91, 221867477), (113, 178672039), (169, 119467103), (623, 32407609), (791, 25524577), (1157, 17450251), (1183, 17066729), (1469, 13744003), (1697, 11897431), (8099, 2492893), (10057, 2007551), (10283, 1963429), (11879, 1699633), (15041, 1342327), (19097, 1057231), (22061, 915187), (70399, 286793), (105287, 191761), (130741, 154427), (133679, 151033)]