20331536

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:447

約数の個数: 40

約数和(自身を含む): 41068800

約数和(自身を除く): 20737264

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 179, 229, 248, 358, 458, 496, 716, 916, 1432, 1832, 2864, 3664, 5549, 7099, 11098, 14198, 22196, 28396, 40991, 44392, 56792, 81982, 88784, 113584, 163964, 327928, 655856, 1270721, 2541442, 5082884, 10165768, 20331536]

約数ペア:

[(1, 20331536), (2, 10165768), (4, 5082884), (8, 2541442), (16, 1270721), (31, 655856), (62, 327928), (124, 163964), (179, 113584), (229, 88784), (248, 81982), (358, 56792), (458, 44392), (496, 40991), (716, 28396), (916, 22196), (1432, 14198), (1832, 11098), (2864, 7099), (3664, 5549)]