20336317160

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1123}}^1\times {\mathrm{3257}}^1$

素因数の和:4530

約数の個数: 64

約数和(自身を含む): 46141099200

約数和(自身を除く): 25804782040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1123, 1390, 2246, 2780, 3257, 4492, 5560, 5615, 6514, 8984, 11230, 13028, 16285, 22460, 26056, 32570, 44920, 65140, 130280, 156097, 312194, 452723, 624388, 780485, 905446, 1248776, 1560970, 1810892, 2263615, 3121940, 3621784, 3657611, 4527230, 6243880, 7315222, 9054460, 14630444, 18108920, 18288055, 29260888, 36576110, 73152220, 146304440, 508407929, 1016815858, 2033631716, 2542039645, 4067263432, 5084079290, 10168158580, 20336317160]

約数ペア:

[(1, 20336317160), (2, 10168158580), (4, 5084079290), (5, 4067263432), (8, 2542039645), (10, 2033631716), (20, 1016815858), (40, 508407929), (139, 146304440), (278, 73152220), (556, 36576110), (695, 29260888), (1112, 18288055), (1123, 18108920), (1390, 14630444), (2246, 9054460), (2780, 7315222), (3257, 6243880), (4492, 4527230), (5560, 3657611), (5615, 3621784), (6514, 3121940), (8984, 2263615), (11230, 1810892), (13028, 1560970), (16285, 1248776), (22460, 905446), (26056, 780485), (32570, 624388), (44920, 452723), (65140, 312194), (130280, 156097)]