20727480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9091}}^1$

素因数の和:9124

約数の個数: 64

約数和(自身を含む): 65462400

約数和(自身を除く): 44734920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9091, 18182, 27273, 36364, 45455, 54546, 72728, 90910, 109092, 136365, 172729, 181820, 218184, 272730, 345458, 363640, 518187, 545460, 690916, 863645, 1036374, 1090920, 1381832, 1727290, 2072748, 2590935, 3454580, 4145496, 5181870, 6909160, 10363740, 20727480]

約数ペア:

[(1, 20727480), (2, 10363740), (3, 6909160), (4, 5181870), (5, 4145496), (6, 3454580), (8, 2590935), (10, 2072748), (12, 1727290), (15, 1381832), (19, 1090920), (20, 1036374), (24, 863645), (30, 690916), (38, 545460), (40, 518187), (57, 363640), (60, 345458), (76, 272730), (95, 218184), (114, 181820), (120, 172729), (152, 136365), (190, 109092), (228, 90910), (285, 72728), (380, 54546), (456, 45455), (570, 36364), (760, 27273), (1140, 18182), (2280, 9091)]