20199763125

素因数分解:

$3^3\times 5^4\times {\mathrm{353}}^1\times {\mathrm{3391}}^1$

素因数の和:3773

約数の個数: 80

約数和(自身を含む): 37511992320

約数和(自身を除く): 17312229195

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 353, 375, 625, 675, 1059, 1125, 1765, 1875, 3177, 3375, 3391, 5295, 5625, 8825, 9531, 10173, 15885, 16875, 16955, 26475, 30519, 44125, 47655, 50865, 79425, 84775, 91557, 132375, 152595, 220625, 238275, 254325, 397125, 423875, 457785, 661875, 762975, 1191375, 1197023, 1271625, 1985625, 2119375, 2288925, 3591069, 3814875, 5956875, 5985115, 6358125, 10773207, 11444625, 17955345, 19074375, 29925575, 32319621, 53866035, 57223125, 89776725, 149627875, 161598105, 269330175, 448883625, 748139375, 807990525, 1346650875, 2244418125, 4039952625, 6733254375, 20199763125]

約数ペア:

[(1, 20199763125), (3, 6733254375), (5, 4039952625), (9, 2244418125), (15, 1346650875), (25, 807990525), (27, 748139375), (45, 448883625), (75, 269330175), (125, 161598105), (135, 149627875), (225, 89776725), (353, 57223125), (375, 53866035), (625, 32319621), (675, 29925575), (1059, 19074375), (1125, 17955345), (1765, 11444625), (1875, 10773207), (3177, 6358125), (3375, 5985115), (3391, 5956875), (5295, 3814875), (5625, 3591069), (8825, 2288925), (9531, 2119375), (10173, 1985625), (15885, 1271625), (16875, 1197023), (16955, 1191375), (26475, 762975), (30519, 661875), (44125, 457785), (47655, 423875), (50865, 397125), (79425, 254325), (84775, 238275), (91557, 220625), (132375, 152595)]