20173585518

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{647}}^1\times {\mathrm{7309}}^1$

素因数の和:8046

約数の個数: 64

約数和(自身を含む): 45474048000

約数和(自身を除く): 25300462482

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 474, 647, 711, 1294, 1422, 1941, 2133, 3882, 4266, 5823, 7309, 11646, 14618, 17469, 21927, 34938, 43854, 51113, 65781, 102226, 131562, 153339, 197343, 306678, 394686, 460017, 577411, 920034, 1154822, 1380051, 1732233, 2760102, 3464466, 4728923, 5196699, 9457846, 10393398, 14186769, 15590097, 28373538, 31180194, 42560307, 85120614, 127680921, 255361842, 373584917, 747169834, 1120754751, 2241509502, 3362264253, 6724528506, 10086792759, 20173585518]

約数ペア:

[(1, 20173585518), (2, 10086792759), (3, 6724528506), (6, 3362264253), (9, 2241509502), (18, 1120754751), (27, 747169834), (54, 373584917), (79, 255361842), (158, 127680921), (237, 85120614), (474, 42560307), (647, 31180194), (711, 28373538), (1294, 15590097), (1422, 14186769), (1941, 10393398), (2133, 9457846), (3882, 5196699), (4266, 4728923), (5823, 3464466), (7309, 2760102), (11646, 1732233), (14618, 1380051), (17469, 1154822), (21927, 920034), (34938, 577411), (43854, 460017), (51113, 394686), (65781, 306678), (102226, 197343), (131562, 153339)]