20053800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:892

約数の個数: 144

約数和(自身を含む): 72612540

約数和(自身を除く): 52558740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 130, 150, 156, 180, 195, 200, 225, 234, 260, 300, 312, 325, 360, 390, 450, 468, 520, 585, 600, 650, 780, 857, 900, 936, 975, 1170, 1300, 1560, 1714, 1800, 1950, 2340, 2571, 2600, 2925, 3428, 3900, 4285, 4680, 5142, 5850, 6856, 7713, 7800, 8570, 10284, 11141, 11700, 12855, 15426, 17140, 20568, 21425, 22282, 23400, 25710, 30852, 33423, 34280, 38565, 42850, 44564, 51420, 55705, 61704, 64275, 66846, 77130, 85700, 89128, 100269, 102840, 111410, 128550, 133692, 154260, 167115, 171400, 192825, 200538, 222820, 257100, 267384, 278525, 308520, 334230, 385650, 401076, 445640, 501345, 514200, 557050, 668460, 771300, 802152, 835575, 1002690, 1114100, 1336920, 1542600, 1671150, 2005380, 2228200, 2506725, 3342300, 4010760, 5013450, 6684600, 10026900, 20053800]

約数ペア:

[(1, 20053800), (2, 10026900), (3, 6684600), (4, 5013450), (5, 4010760), (6, 3342300), (8, 2506725), (9, 2228200), (10, 2005380), (12, 1671150), (13, 1542600), (15, 1336920), (18, 1114100), (20, 1002690), (24, 835575), (25, 802152), (26, 771300), (30, 668460), (36, 557050), (39, 514200), (40, 501345), (45, 445640), (50, 401076), (52, 385650), (60, 334230), (65, 308520), (72, 278525), (75, 267384), (78, 257100), (90, 222820), (100, 200538), (104, 192825), (117, 171400), (120, 167115), (130, 154260), (150, 133692), (156, 128550), (180, 111410), (195, 102840), (200, 100269), (225, 89128), (234, 85700), (260, 77130), (300, 66846), (312, 64275), (325, 61704), (360, 55705), (390, 51420), (450, 44564), (468, 42850), (520, 38565), (585, 34280), (600, 33423), (650, 30852), (780, 25710), (857, 23400), (900, 22282), (936, 21425), (975, 20568), (1170, 17140), (1300, 15426), (1560, 12855), (1714, 11700), (1800, 11141), (1950, 10284), (2340, 8570), (2571, 7800), (2600, 7713), (2925, 6856), (3428, 5850), (3900, 5142), (4285, 4680)]