20196642780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{255589}}^1$

素因数の和:256043

約数の個数: 72

約数和(自身を含む): 61402941600

約数和(自身を除く): 41206298820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 878, 1317, 1756, 2195, 2634, 3951, 4390, 5268, 6585, 7902, 8780, 13170, 15804, 19755, 26340, 39510, 79020, 255589, 511178, 766767, 1022356, 1277945, 1533534, 2300301, 2555890, 3067068, 3833835, 4600602, 5111780, 7667670, 9201204, 11501505, 15335340, 23003010, 46006020, 112203571, 224407142, 336610713, 448814284, 561017855, 673221426, 1009832139, 1122035710, 1346442852, 1683053565, 2019664278, 2244071420, 3366107130, 4039328556, 5049160695, 6732214260, 10098321390, 20196642780]

約数ペア:

[(1, 20196642780), (2, 10098321390), (3, 6732214260), (4, 5049160695), (5, 4039328556), (6, 3366107130), (9, 2244071420), (10, 2019664278), (12, 1683053565), (15, 1346442852), (18, 1122035710), (20, 1009832139), (30, 673221426), (36, 561017855), (45, 448814284), (60, 336610713), (90, 224407142), (180, 112203571), (439, 46006020), (878, 23003010), (1317, 15335340), (1756, 11501505), (2195, 9201204), (2634, 7667670), (3951, 5111780), (4390, 4600602), (5268, 3833835), (6585, 3067068), (7902, 2555890), (8780, 2300301), (13170, 1533534), (15804, 1277945), (19755, 1022356), (26340, 766767), (39510, 511178), (79020, 255589)]