20176643988

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{257921}}^1$

素因数の和:258025

約数の個数: 72

約数和(自身を含む): 53232005736

約数和(自身を除く): 33055361748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 53, 82, 106, 123, 159, 164, 212, 246, 318, 369, 477, 492, 636, 738, 954, 1476, 1908, 2173, 4346, 6519, 8692, 13038, 19557, 26076, 39114, 78228, 257921, 515842, 773763, 1031684, 1547526, 2321289, 3095052, 4642578, 9285156, 10574761, 13669813, 21149522, 27339626, 31724283, 41009439, 42299044, 54679252, 63448566, 82018878, 95172849, 123028317, 126897132, 164037756, 190345698, 246056634, 380691396, 492113268, 560462333, 1120924666, 1681386999, 2241849332, 3362773998, 5044160997, 6725547996, 10088321994, 20176643988]

約数ペア:

[(1, 20176643988), (2, 10088321994), (3, 6725547996), (4, 5044160997), (6, 3362773998), (9, 2241849332), (12, 1681386999), (18, 1120924666), (36, 560462333), (41, 492113268), (53, 380691396), (82, 246056634), (106, 190345698), (123, 164037756), (159, 126897132), (164, 123028317), (212, 95172849), (246, 82018878), (318, 63448566), (369, 54679252), (477, 42299044), (492, 41009439), (636, 31724283), (738, 27339626), (954, 21149522), (1476, 13669813), (1908, 10574761), (2173, 9285156), (4346, 4642578), (6519, 3095052), (8692, 2321289), (13038, 1547526), (19557, 1031684), (26076, 773763), (39114, 515842), (78228, 257921)]