20598550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 44148960

約数和(自身を除く): 23550410

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 229, 257, 350, 458, 514, 1145, 1285, 1603, 1799, 2290, 2570, 3206, 3598, 5725, 6425, 8015, 8995, 11450, 12850, 16030, 17990, 40075, 44975, 58853, 80150, 89950, 117706, 294265, 411971, 588530, 823942, 1471325, 2059855, 2942650, 4119710, 10299275, 20598550]

約数ペア:

[(1, 20598550), (2, 10299275), (5, 4119710), (7, 2942650), (10, 2059855), (14, 1471325), (25, 823942), (35, 588530), (50, 411971), (70, 294265), (175, 117706), (229, 89950), (257, 80150), (350, 58853), (458, 44975), (514, 40075), (1145, 17990), (1285, 16030), (1603, 12850), (1799, 11450), (2290, 8995), (2570, 8015), (3206, 6425), (3598, 5725)]