20774304

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{1361}}^1$

素因数の和:1430

約数の個数: 72

約数和(自身を含む): 60235812

約数和(自身を除く): 39461508

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 144, 159, 212, 288, 318, 424, 477, 636, 848, 954, 1272, 1361, 1696, 1908, 2544, 2722, 3816, 4083, 5088, 5444, 7632, 8166, 10888, 12249, 15264, 16332, 21776, 24498, 32664, 43552, 48996, 65328, 72133, 97992, 130656, 144266, 195984, 216399, 288532, 391968, 432798, 577064, 649197, 865596, 1154128, 1298394, 1731192, 2308256, 2596788, 3462384, 5193576, 6924768, 10387152, 20774304]

約数ペア:

[(1, 20774304), (2, 10387152), (3, 6924768), (4, 5193576), (6, 3462384), (8, 2596788), (9, 2308256), (12, 1731192), (16, 1298394), (18, 1154128), (24, 865596), (32, 649197), (36, 577064), (48, 432798), (53, 391968), (72, 288532), (96, 216399), (106, 195984), (144, 144266), (159, 130656), (212, 97992), (288, 72133), (318, 65328), (424, 48996), (477, 43552), (636, 32664), (848, 24498), (954, 21776), (1272, 16332), (1361, 15264), (1696, 12249), (1908, 10888), (2544, 8166), (2722, 7632), (3816, 5444), (4083, 5088)]