20940238020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{95539}}^1$

素因数の和:95845

約数の個数: 96

約数和(自身を含む): 63368242560

約数和(自身を除く): 42428004540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 281, 390, 562, 780, 843, 1124, 1405, 1686, 2810, 3372, 3653, 4215, 5620, 7306, 8430, 10959, 14612, 16860, 18265, 21918, 36530, 43836, 54795, 73060, 95539, 109590, 191078, 219180, 286617, 382156, 477695, 573234, 955390, 1146468, 1242007, 1433085, 1910780, 2484014, 2866170, 3726021, 4968028, 5732340, 6210035, 7452042, 12420070, 14904084, 18630105, 24840140, 26846459, 37260210, 53692918, 74520420, 80539377, 107385836, 134232295, 161078754, 268464590, 322157508, 349003967, 402696885, 536929180, 698007934, 805393770, 1047011901, 1396015868, 1610787540, 1745019835, 2094023802, 3490039670, 4188047604, 5235059505, 6980079340, 10470119010, 20940238020]

約数ペア:

[(1, 20940238020), (2, 10470119010), (3, 6980079340), (4, 5235059505), (5, 4188047604), (6, 3490039670), (10, 2094023802), (12, 1745019835), (13, 1610787540), (15, 1396015868), (20, 1047011901), (26, 805393770), (30, 698007934), (39, 536929180), (52, 402696885), (60, 349003967), (65, 322157508), (78, 268464590), (130, 161078754), (156, 134232295), (195, 107385836), (260, 80539377), (281, 74520420), (390, 53692918), (562, 37260210), (780, 26846459), (843, 24840140), (1124, 18630105), (1405, 14904084), (1686, 12420070), (2810, 7452042), (3372, 6210035), (3653, 5732340), (4215, 4968028), (5620, 3726021), (7306, 2866170), (8430, 2484014), (10959, 1910780), (14612, 1433085), (16860, 1242007), (18265, 1146468), (21918, 955390), (36530, 573234), (43836, 477695), (54795, 382156), (73060, 286617), (95539, 219180), (109590, 191078)]