20469510

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{683}}^1$

素因数の和:739

約数の個数: 80

約数和(自身を含む): 56610576

約数和(自身を除く): 36141066

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 81, 90, 111, 135, 162, 185, 222, 270, 333, 370, 405, 555, 666, 683, 810, 999, 1110, 1366, 1665, 1998, 2049, 2997, 3330, 3415, 4098, 4995, 5994, 6147, 6830, 9990, 10245, 12294, 14985, 18441, 20490, 25271, 29970, 30735, 36882, 50542, 55323, 61470, 75813, 92205, 110646, 126355, 151626, 184410, 227439, 252710, 276615, 379065, 454878, 553230, 682317, 758130, 1137195, 1364634, 2046951, 2274390, 3411585, 4093902, 6823170, 10234755, 20469510]

約数ペア:

[(1, 20469510), (2, 10234755), (3, 6823170), (5, 4093902), (6, 3411585), (9, 2274390), (10, 2046951), (15, 1364634), (18, 1137195), (27, 758130), (30, 682317), (37, 553230), (45, 454878), (54, 379065), (74, 276615), (81, 252710), (90, 227439), (111, 184410), (135, 151626), (162, 126355), (185, 110646), (222, 92205), (270, 75813), (333, 61470), (370, 55323), (405, 50542), (555, 36882), (666, 30735), (683, 29970), (810, 25271), (999, 20490), (1110, 18441), (1366, 14985), (1665, 12294), (1998, 10245), (2049, 9990), (2997, 6830), (3330, 6147), (3415, 5994), (4098, 4995)]