20170992

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{83}}^2$

素因数の和:238

約数の個数: 60

約数和(自身を含む): 53608424

約数和(自身を除く): 33437432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 83, 122, 166, 183, 244, 249, 332, 366, 488, 498, 664, 732, 976, 996, 1328, 1464, 1992, 2928, 3984, 5063, 6889, 10126, 13778, 15189, 20252, 20667, 27556, 30378, 40504, 41334, 55112, 60756, 81008, 82668, 110224, 121512, 165336, 243024, 330672, 420229, 840458, 1260687, 1680916, 2521374, 3361832, 5042748, 6723664, 10085496, 20170992]

約数ペア:

[(1, 20170992), (2, 10085496), (3, 6723664), (4, 5042748), (6, 3361832), (8, 2521374), (12, 1680916), (16, 1260687), (24, 840458), (48, 420229), (61, 330672), (83, 243024), (122, 165336), (166, 121512), (183, 110224), (244, 82668), (249, 81008), (332, 60756), (366, 55112), (488, 41334), (498, 40504), (664, 30378), (732, 27556), (976, 20667), (996, 20252), (1328, 15189), (1464, 13778), (1992, 10126), (2928, 6889), (3984, 5063)]