20547540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2927}}^1$

素因数の和:2958

約数の個数: 96

約数和(自身を含む): 68866560

約数和(自身を除く): 48319020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 2927, 3510, 5854, 7020, 8781, 11708, 14635, 17562, 26343, 29270, 35124, 38051, 43905, 52686, 58540, 76102, 79029, 87810, 105372, 114153, 131715, 152204, 158058, 175620, 190255, 228306, 263430, 316116, 342459, 380510, 395145, 456612, 526860, 570765, 684918, 761020, 790290, 1027377, 1141530, 1369836, 1580580, 1712295, 2054754, 2283060, 3424590, 4109508, 5136885, 6849180, 10273770, 20547540]

約数ペア:

[(1, 20547540), (2, 10273770), (3, 6849180), (4, 5136885), (5, 4109508), (6, 3424590), (9, 2283060), (10, 2054754), (12, 1712295), (13, 1580580), (15, 1369836), (18, 1141530), (20, 1027377), (26, 790290), (27, 761020), (30, 684918), (36, 570765), (39, 526860), (45, 456612), (52, 395145), (54, 380510), (60, 342459), (65, 316116), (78, 263430), (90, 228306), (108, 190255), (117, 175620), (130, 158058), (135, 152204), (156, 131715), (180, 114153), (195, 105372), (234, 87810), (260, 79029), (270, 76102), (351, 58540), (390, 52686), (468, 43905), (540, 38051), (585, 35124), (702, 29270), (780, 26343), (1170, 17562), (1404, 14635), (1755, 11708), (2340, 8781), (2927, 7020), (3510, 5854)]