20281060809

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{75703}}^1$

素因数の和:75846

約数の個数: 36

約数和(自身を含む): 31422005056

約数和(自身を除く): 11140944247

約数列:

[1, 3, 9, 17, 51, 103, 153, 289, 309, 867, 927, 1751, 2601, 5253, 15759, 29767, 75703, 89301, 227109, 267903, 681327, 1286951, 3860853, 7797409, 11582559, 21878167, 23392227, 65634501, 70176681, 132555953, 196903503, 397667859, 1193003577, 2253451201, 6760353603, 20281060809]

約数ペア:

[(1, 20281060809), (3, 6760353603), (9, 2253451201), (17, 1193003577), (51, 397667859), (103, 196903503), (153, 132555953), (289, 70176681), (309, 65634501), (867, 23392227), (927, 21878167), (1751, 11582559), (2601, 7797409), (5253, 3860853), (15759, 1286951), (29767, 681327), (75703, 267903), (89301, 227109)]