20431170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2441}}^1$

素因数の和:2488

約数の個数: 64

約数和(自身を含む): 56263680

約数和(自身を除く): 35832510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2441, 2790, 4185, 4882, 7323, 8370, 12205, 14646, 21969, 24410, 36615, 43938, 65907, 73230, 75671, 109845, 131814, 151342, 219690, 227013, 329535, 378355, 454026, 659070, 681039, 756710, 1135065, 1362078, 2043117, 2270130, 3405195, 4086234, 6810390, 10215585, 20431170]

約数ペア:

[(1, 20431170), (2, 10215585), (3, 6810390), (5, 4086234), (6, 3405195), (9, 2270130), (10, 2043117), (15, 1362078), (18, 1135065), (27, 756710), (30, 681039), (31, 659070), (45, 454026), (54, 378355), (62, 329535), (90, 227013), (93, 219690), (135, 151342), (155, 131814), (186, 109845), (270, 75671), (279, 73230), (310, 65907), (465, 43938), (558, 36615), (837, 24410), (930, 21969), (1395, 14646), (1674, 12205), (2441, 8370), (2790, 7323), (4185, 4882)]