20189280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42061}}^1$

素因数の和:42079

約数の個数: 48

約数和(自身を含む): 63597744

約数和(自身を除く): 43408464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42061, 84122, 126183, 168244, 210305, 252366, 336488, 420610, 504732, 630915, 672976, 841220, 1009464, 1261830, 1345952, 1682440, 2018928, 2523660, 3364880, 4037856, 5047320, 6729760, 10094640, 20189280]

約数ペア:

[(1, 20189280), (2, 10094640), (3, 6729760), (4, 5047320), (5, 4037856), (6, 3364880), (8, 2523660), (10, 2018928), (12, 1682440), (15, 1345952), (16, 1261830), (20, 1009464), (24, 841220), (30, 672976), (32, 630915), (40, 504732), (48, 420610), (60, 336488), (80, 252366), (96, 210305), (120, 168244), (160, 126183), (240, 84122), (480, 42061)]