20413500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:492

約数の個数: 96

約数和(自身を含む): 61501440

約数和(自身を除く): 41087940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 125, 150, 155, 186, 250, 300, 310, 372, 375, 439, 465, 500, 620, 750, 775, 878, 930, 1317, 1500, 1550, 1756, 1860, 2195, 2325, 2634, 3100, 3875, 4390, 4650, 5268, 6585, 7750, 8780, 9300, 10975, 11625, 13170, 13609, 15500, 21950, 23250, 26340, 27218, 32925, 40827, 43900, 46500, 54436, 54875, 65850, 68045, 81654, 109750, 131700, 136090, 163308, 164625, 204135, 219500, 272180, 329250, 340225, 408270, 658500, 680450, 816540, 1020675, 1360900, 1701125, 2041350, 3402250, 4082700, 5103375, 6804500, 10206750, 20413500]

約数ペア:

[(1, 20413500), (2, 10206750), (3, 6804500), (4, 5103375), (5, 4082700), (6, 3402250), (10, 2041350), (12, 1701125), (15, 1360900), (20, 1020675), (25, 816540), (30, 680450), (31, 658500), (50, 408270), (60, 340225), (62, 329250), (75, 272180), (93, 219500), (100, 204135), (124, 164625), (125, 163308), (150, 136090), (155, 131700), (186, 109750), (250, 81654), (300, 68045), (310, 65850), (372, 54875), (375, 54436), (439, 46500), (465, 43900), (500, 40827), (620, 32925), (750, 27218), (775, 26340), (878, 23250), (930, 21950), (1317, 15500), (1500, 13609), (1550, 13170), (1756, 11625), (1860, 10975), (2195, 9300), (2325, 8780), (2634, 7750), (3100, 6585), (3875, 5268), (4390, 4650)]