20039145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6581}}^1$

素因数の和:6625

約数の個数: 32

約数和(自身を含む): 37912320

約数和(自身を除く): 17873175

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 6581, 19743, 32905, 46067, 98715, 138201, 190849, 230335, 572547, 691005, 954245, 1335943, 2862735, 4007829, 6679715, 20039145]

約数ペア:

[(1, 20039145), (3, 6679715), (5, 4007829), (7, 2862735), (15, 1335943), (21, 954245), (29, 691005), (35, 572547), (87, 230335), (105, 190849), (145, 138201), (203, 98715), (435, 46067), (609, 32905), (1015, 19743), (3045, 6581)]