20163457575

素因数分解:

$3^4\times 5^2\times {\mathrm{2887}}^1\times {\mathrm{3449}}^1$

素因数の和:6358

約数の個数: 60

約数和(自身を含む): 37373463600

約数和(自身を除く): 17210006025

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 2887, 3449, 8661, 10347, 14435, 17245, 25983, 31041, 43305, 51735, 72175, 77949, 86225, 93123, 129915, 155205, 216525, 233847, 258675, 279369, 389745, 465615, 649575, 776025, 1169235, 1396845, 1948725, 2328075, 5846175, 6984225, 9957263, 29871789, 49786315, 89615367, 149358945, 248931575, 268846101, 448076835, 746794725, 806538303, 1344230505, 2240384175, 4032691515, 6721152525, 20163457575]

約数ペア:

[(1, 20163457575), (3, 6721152525), (5, 4032691515), (9, 2240384175), (15, 1344230505), (25, 806538303), (27, 746794725), (45, 448076835), (75, 268846101), (81, 248931575), (135, 149358945), (225, 89615367), (405, 49786315), (675, 29871789), (2025, 9957263), (2887, 6984225), (3449, 5846175), (8661, 2328075), (10347, 1948725), (14435, 1396845), (17245, 1169235), (25983, 776025), (31041, 649575), (43305, 465615), (51735, 389745), (72175, 279369), (77949, 258675), (86225, 233847), (93123, 216525), (129915, 155205)]