20804700180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1659067}}^1$

素因数の和:1659109

約数の個数: 96

約数和(自身を含む): 66893621760

約数和(自身を除く): 46088921580

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 190, 209, 220, 228, 285, 330, 380, 418, 570, 627, 660, 836, 1045, 1140, 1254, 2090, 2508, 3135, 4180, 6270, 12540, 1659067, 3318134, 4977201, 6636268, 8295335, 9954402, 16590670, 18249737, 19908804, 24886005, 31522273, 33181340, 36499474, 49772010, 54749211, 63044546, 72998948, 91248685, 94566819, 99544020, 109498422, 126089092, 157611365, 182497370, 189133638, 218996844, 273746055, 315222730, 346745003, 364994740, 378267276, 472834095, 547492110, 630445460, 693490006, 945668190, 1040235009, 1094984220, 1386980012, 1733725015, 1891336380, 2080470018, 3467450030, 4160940036, 5201175045, 6934900060, 10402350090, 20804700180]

約数ペア:

[(1, 20804700180), (2, 10402350090), (3, 6934900060), (4, 5201175045), (5, 4160940036), (6, 3467450030), (10, 2080470018), (11, 1891336380), (12, 1733725015), (15, 1386980012), (19, 1094984220), (20, 1040235009), (22, 945668190), (30, 693490006), (33, 630445460), (38, 547492110), (44, 472834095), (55, 378267276), (57, 364994740), (60, 346745003), (66, 315222730), (76, 273746055), (95, 218996844), (110, 189133638), (114, 182497370), (132, 157611365), (165, 126089092), (190, 109498422), (209, 99544020), (220, 94566819), (228, 91248685), (285, 72998948), (330, 63044546), (380, 54749211), (418, 49772010), (570, 36499474), (627, 33181340), (660, 31522273), (836, 24886005), (1045, 19908804), (1140, 18249737), (1254, 16590670), (2090, 9954402), (2508, 8295335), (3135, 6636268), (4180, 4977201), (6270, 3318134), (12540, 1659067)]