20253456

素因数分解:

$2^4\times 3^3\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:461

約数の個数: 80

約数和(自身を含む): 58686720

約数和(自身を除く): 38433264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 173, 216, 271, 346, 432, 519, 542, 692, 813, 1038, 1084, 1384, 1557, 1626, 2076, 2168, 2439, 2768, 3114, 3252, 4152, 4336, 4671, 4878, 6228, 6504, 7317, 8304, 9342, 9756, 12456, 13008, 14634, 18684, 19512, 24912, 29268, 37368, 39024, 46883, 58536, 74736, 93766, 117072, 140649, 187532, 281298, 375064, 421947, 562596, 750128, 843894, 1125192, 1265841, 1687788, 2250384, 2531682, 3375576, 5063364, 6751152, 10126728, 20253456]

約数ペア:

[(1, 20253456), (2, 10126728), (3, 6751152), (4, 5063364), (6, 3375576), (8, 2531682), (9, 2250384), (12, 1687788), (16, 1265841), (18, 1125192), (24, 843894), (27, 750128), (36, 562596), (48, 421947), (54, 375064), (72, 281298), (108, 187532), (144, 140649), (173, 117072), (216, 93766), (271, 74736), (346, 58536), (432, 46883), (519, 39024), (542, 37368), (692, 29268), (813, 24912), (1038, 19512), (1084, 18684), (1384, 14634), (1557, 13008), (1626, 12456), (2076, 9756), (2168, 9342), (2439, 8304), (2768, 7317), (3114, 6504), (3252, 6228), (4152, 4878), (4336, 4671)]