20343322160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5189623}}^1$

素因数の和:5189650

約数の個数: 60

約数和(自身を含む): 55020393648

約数和(自身を除く): 34677071488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5189623, 10379246, 20758492, 25948115, 36327361, 41516984, 51896230, 72654722, 83033968, 103792460, 145309444, 181636805, 207584920, 254291527, 290618888, 363273610, 415169840, 508583054, 581237776, 726547220, 1017166108, 1271457635, 1453094440, 2034332216, 2542915270, 2906188880, 4068664432, 5085830540, 10171661080, 20343322160]

約数ペア:

[(1, 20343322160), (2, 10171661080), (4, 5085830540), (5, 4068664432), (7, 2906188880), (8, 2542915270), (10, 2034332216), (14, 1453094440), (16, 1271457635), (20, 1017166108), (28, 726547220), (35, 581237776), (40, 508583054), (49, 415169840), (56, 363273610), (70, 290618888), (80, 254291527), (98, 207584920), (112, 181636805), (140, 145309444), (196, 103792460), (245, 83033968), (280, 72654722), (392, 51896230), (490, 41516984), (560, 36327361), (784, 25948115), (980, 20758492), (1960, 10379246), (3920, 5189623)]