20246550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^2\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 72

約数和(自身を含む): 52110504

約数和(自身を除く): 31863954

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 73, 75, 86, 129, 146, 150, 215, 219, 258, 365, 430, 438, 645, 730, 1075, 1095, 1290, 1825, 1849, 2150, 2190, 3139, 3225, 3650, 3698, 5475, 5547, 6278, 6450, 9245, 9417, 10950, 11094, 15695, 18490, 18834, 27735, 31390, 46225, 47085, 55470, 78475, 92450, 94170, 134977, 138675, 156950, 235425, 269954, 277350, 404931, 470850, 674885, 809862, 1349770, 2024655, 3374425, 4049310, 6748850, 10123275, 20246550]

約数ペア:

[(1, 20246550), (2, 10123275), (3, 6748850), (5, 4049310), (6, 3374425), (10, 2024655), (15, 1349770), (25, 809862), (30, 674885), (43, 470850), (50, 404931), (73, 277350), (75, 269954), (86, 235425), (129, 156950), (146, 138675), (150, 134977), (215, 94170), (219, 92450), (258, 78475), (365, 55470), (430, 47085), (438, 46225), (645, 31390), (730, 27735), (1075, 18834), (1095, 18490), (1290, 15695), (1825, 11094), (1849, 10950), (2150, 9417), (2190, 9245), (3139, 6450), (3225, 6278), (3650, 5547), (3698, 5475)]