20457777708

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{602621}}^1$

素因数の和:602695

約数の個数: 72

約数和(自身を含む): 55277310816

約数和(自身を除く): 34819533108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 41, 46, 69, 82, 92, 123, 138, 164, 207, 246, 276, 369, 414, 492, 738, 828, 943, 1476, 1886, 2829, 3772, 5658, 8487, 11316, 16974, 33948, 602621, 1205242, 1807863, 2410484, 3615726, 5423589, 7231452, 10847178, 13860283, 21694356, 24707461, 27720566, 41580849, 49414922, 55441132, 74122383, 83161698, 98829844, 124742547, 148244766, 166323396, 222367149, 249485094, 296489532, 444734298, 498970188, 568271603, 889468596, 1136543206, 1704814809, 2273086412, 3409629618, 5114444427, 6819259236, 10228888854, 20457777708]

約数ペア:

[(1, 20457777708), (2, 10228888854), (3, 6819259236), (4, 5114444427), (6, 3409629618), (9, 2273086412), (12, 1704814809), (18, 1136543206), (23, 889468596), (36, 568271603), (41, 498970188), (46, 444734298), (69, 296489532), (82, 249485094), (92, 222367149), (123, 166323396), (138, 148244766), (164, 124742547), (207, 98829844), (246, 83161698), (276, 74122383), (369, 55441132), (414, 49414922), (492, 41580849), (738, 27720566), (828, 24707461), (943, 21694356), (1476, 13860283), (1886, 10847178), (2829, 7231452), (3772, 5423589), (5658, 3615726), (8487, 2410484), (11316, 1807863), (16974, 1205242), (33948, 602621)]