20213019001

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{17401}}^1$

素因数の和:17593

約数の個数: 32

約数和(自身を含む): 24537655296

約数和(自身を除く): 4324636295

約数列:

[1, 7, 31, 53, 101, 217, 371, 707, 1643, 3131, 5353, 11501, 17401, 21917, 37471, 121807, 165943, 539431, 922253, 1161601, 1757501, 3776017, 6455771, 12302507, 28589843, 54482531, 93147553, 200128901, 381377717, 652032871, 2887574143, 20213019001]

約数ペア:

[(1, 20213019001), (7, 2887574143), (31, 652032871), (53, 381377717), (101, 200128901), (217, 93147553), (371, 54482531), (707, 28589843), (1643, 12302507), (3131, 6455771), (5353, 3776017), (11501, 1757501), (17401, 1161601), (21917, 922253), (37471, 539431), (121807, 165943)]