20172048981

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{709}}^1\times {\mathrm{5231}}^1$

素因数の和:5994

約数の個数: 48

約数和(自身を含む): 32184334080

約数和(自身を除く): 12012285099

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 709, 777, 1813, 2127, 4963, 5231, 5439, 14889, 15693, 26233, 34741, 36617, 78699, 104223, 109851, 183631, 193547, 256319, 550893, 580641, 768957, 1285417, 1354829, 3708779, 3856251, 4064487, 9483803, 11126337, 25961453, 28451409, 77884359, 137224823, 181730171, 411674469, 545190513, 960573761, 2881721283, 6724016327, 20172048981]

約数ペア:

[(1, 20172048981), (3, 6724016327), (7, 2881721283), (21, 960573761), (37, 545190513), (49, 411674469), (111, 181730171), (147, 137224823), (259, 77884359), (709, 28451409), (777, 25961453), (1813, 11126337), (2127, 9483803), (4963, 4064487), (5231, 3856251), (5439, 3708779), (14889, 1354829), (15693, 1285417), (26233, 768957), (34741, 580641), (36617, 550893), (78699, 256319), (104223, 193547), (109851, 183631)]