20461740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:771

約数の個数: 96

約数和(自身を含む): 63456960

約数和(自身を除く): 42995220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 37, 39, 52, 60, 65, 74, 78, 111, 130, 148, 156, 185, 195, 222, 260, 370, 390, 444, 481, 555, 709, 740, 780, 962, 1110, 1418, 1443, 1924, 2127, 2220, 2405, 2836, 2886, 3545, 4254, 4810, 5772, 7090, 7215, 8508, 9217, 9620, 10635, 14180, 14430, 18434, 21270, 26233, 27651, 28860, 36868, 42540, 46085, 52466, 55302, 78699, 92170, 104932, 110604, 131165, 138255, 157398, 184340, 262330, 276510, 314796, 341029, 393495, 524660, 553020, 682058, 786990, 1023087, 1364116, 1573980, 1705145, 2046174, 3410290, 4092348, 5115435, 6820580, 10230870, 20461740]

約数ペア:

[(1, 20461740), (2, 10230870), (3, 6820580), (4, 5115435), (5, 4092348), (6, 3410290), (10, 2046174), (12, 1705145), (13, 1573980), (15, 1364116), (20, 1023087), (26, 786990), (30, 682058), (37, 553020), (39, 524660), (52, 393495), (60, 341029), (65, 314796), (74, 276510), (78, 262330), (111, 184340), (130, 157398), (148, 138255), (156, 131165), (185, 110604), (195, 104932), (222, 92170), (260, 78699), (370, 55302), (390, 52466), (444, 46085), (481, 42540), (555, 36868), (709, 28860), (740, 27651), (780, 26233), (962, 21270), (1110, 18434), (1418, 14430), (1443, 14180), (1924, 10635), (2127, 9620), (2220, 9217), (2405, 8508), (2836, 7215), (2886, 7090), (3545, 5772), (4254, 4810)]