20107680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:438

約数の個数: 96

約数和(自身を含む): 63975744

約数和(自身を除く): 43868064

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, 163, 240, 257, 326, 480, 489, 514, 652, 771, 815, 978, 1028, 1285, 1304, 1542, 1630, 1956, 2056, 2445, 2570, 2608, 3084, 3260, 3855, 3912, 4112, 4890, 5140, 5216, 6168, 6520, 7710, 7824, 8224, 9780, 10280, 12336, 13040, 15420, 15648, 19560, 20560, 24672, 26080, 30840, 39120, 41120, 41891, 61680, 78240, 83782, 123360, 125673, 167564, 209455, 251346, 335128, 418910, 502692, 628365, 670256, 837820, 1005384, 1256730, 1340512, 1675640, 2010768, 2513460, 3351280, 4021536, 5026920, 6702560, 10053840, 20107680]

約数ペア:

[(1, 20107680), (2, 10053840), (3, 6702560), (4, 5026920), (5, 4021536), (6, 3351280), (8, 2513460), (10, 2010768), (12, 1675640), (15, 1340512), (16, 1256730), (20, 1005384), (24, 837820), (30, 670256), (32, 628365), (40, 502692), (48, 418910), (60, 335128), (80, 251346), (96, 209455), (120, 167564), (160, 125673), (163, 123360), (240, 83782), (257, 78240), (326, 61680), (480, 41891), (489, 41120), (514, 39120), (652, 30840), (771, 26080), (815, 24672), (978, 20560), (1028, 19560), (1285, 15648), (1304, 15420), (1542, 13040), (1630, 12336), (1956, 10280), (2056, 9780), (2445, 8224), (2570, 7824), (2608, 7710), (3084, 6520), (3260, 6168), (3855, 5216), (3912, 5140), (4112, 4890)]