20106976

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:547

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 21805664

約数列:

[1, 2, 4, 8, 16, 29, 32, 47, 58, 94, 116, 188, 232, 376, 461, 464, 752, 922, 928, 1363, 1504, 1844, 2726, 3688, 5452, 7376, 10904, 13369, 14752, 21667, 21808, 26738, 43334, 43616, 53476, 86668, 106952, 173336, 213904, 346672, 427808, 628343, 693344, 1256686, 2513372, 5026744, 10053488, 20106976]

約数ペア:

[(1, 20106976), (2, 10053488), (4, 5026744), (8, 2513372), (16, 1256686), (29, 693344), (32, 628343), (47, 427808), (58, 346672), (94, 213904), (116, 173336), (188, 106952), (232, 86668), (376, 53476), (461, 43616), (464, 43334), (752, 26738), (922, 21808), (928, 21667), (1363, 14752), (1504, 13369), (1844, 10904), (2726, 7376), (3688, 5452)]