20108587760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6130667}}^1$

素因数の和:6130721

約数の個数: 40

約数和(自身を含む): 47892778416

約数和(自身を除く): 27784190656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 6130667, 12261334, 24522668, 30653335, 49045336, 61306670, 98090672, 122613340, 245226680, 251357347, 490453360, 502714694, 1005429388, 1256786735, 2010858776, 2513573470, 4021717552, 5027146940, 10054293880, 20108587760]

約数ペア:

[(1, 20108587760), (2, 10054293880), (4, 5027146940), (5, 4021717552), (8, 2513573470), (10, 2010858776), (16, 1256786735), (20, 1005429388), (40, 502714694), (41, 490453360), (80, 251357347), (82, 245226680), (164, 122613340), (205, 98090672), (328, 61306670), (410, 49045336), (656, 30653335), (820, 24522668), (1640, 12261334), (3280, 6130667)]