20189726541

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{823}}^1\times {\mathrm{1471}}^1$

素因数の和:2426

約数の個数: 48

約数和(自身を含む): 31220766720

約数和(自身を除く): 11031040179

約数列:

[1, 3, 9, 17, 51, 109, 153, 327, 823, 981, 1471, 1853, 2469, 4413, 5559, 7407, 13239, 13991, 16677, 25007, 41973, 75021, 89707, 125919, 160339, 225063, 269121, 481017, 807363, 1210633, 1443051, 1525019, 2725763, 3631899, 4575057, 8177289, 10895697, 13725171, 20580761, 24531867, 61742283, 131958997, 185226849, 395876991, 1187630973, 2243302949, 6729908847, 20189726541]

約数ペア:

[(1, 20189726541), (3, 6729908847), (9, 2243302949), (17, 1187630973), (51, 395876991), (109, 185226849), (153, 131958997), (327, 61742283), (823, 24531867), (981, 20580761), (1471, 13725171), (1853, 10895697), (2469, 8177289), (4413, 4575057), (5559, 3631899), (7407, 2725763), (13239, 1525019), (13991, 1443051), (16677, 1210633), (25007, 807363), (41973, 481017), (75021, 269121), (89707, 225063), (125919, 160339)]