20488671105

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{3982249}}^1$

素因数の和:3982278

約数の個数: 32

約数和(自身を含む): 38229600000

約数和(自身を除く): 17740928895

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 3982249, 11946747, 19911245, 27875743, 59733735, 83627229, 139378715, 195130201, 418136145, 585390603, 975651005, 1365911407, 2926953015, 4097734221, 6829557035, 20488671105]

約数ペア:

[(1, 20488671105), (3, 6829557035), (5, 4097734221), (7, 2926953015), (15, 1365911407), (21, 975651005), (35, 585390603), (49, 418136145), (105, 195130201), (147, 139378715), (245, 83627229), (343, 59733735), (735, 27875743), (1029, 19911245), (1715, 11946747), (5145, 3982249)]