20145587435

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{383}}^1\times {\mathrm{409}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 26100403200

約数和(自身を除く): 5954815765

約数列:

[1, 5, 17, 85, 89, 289, 383, 409, 445, 1445, 1513, 1915, 2045, 6511, 6953, 7565, 25721, 32555, 34087, 34765, 36401, 110687, 118201, 128605, 156647, 170435, 182005, 553435, 579479, 591005, 618817, 783235, 2662999, 2897395, 3094085, 9851143, 10519889, 13314995, 13941583, 45270983, 49255715, 52599445, 69707915, 226354915, 237006911, 1185034555, 4029117487, 20145587435]

約数ペア:

[(1, 20145587435), (5, 4029117487), (17, 1185034555), (85, 237006911), (89, 226354915), (289, 69707915), (383, 52599445), (409, 49255715), (445, 45270983), (1445, 13941583), (1513, 13314995), (1915, 10519889), (2045, 9851143), (6511, 3094085), (6953, 2897395), (7565, 2662999), (25721, 783235), (32555, 618817), (34087, 591005), (34765, 579479), (36401, 553435), (110687, 182005), (118201, 170435), (128605, 156647)]