20210298940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1259}}^1\times {\mathrm{2129}}^1$

素因数の和:3439

約数の個数: 96

約数和(自身を含む): 47342232000

約数和(自身を除く): 27131933060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1259, 1508, 1885, 2129, 2518, 3770, 4258, 5036, 6295, 7540, 8516, 10645, 12590, 16367, 21290, 25180, 27677, 32734, 36511, 42580, 55354, 61741, 65468, 73022, 81835, 110708, 123482, 138385, 146044, 163670, 182555, 246964, 276770, 308705, 327340, 365110, 474643, 553540, 617410, 730220, 802633, 949286, 1234820, 1605266, 1898572, 2373215, 2680411, 3210532, 4013165, 4746430, 5360822, 8026330, 9492860, 10721644, 13402055, 16052660, 26804110, 34845343, 53608220, 69690686, 77731919, 139381372, 155463838, 174226715, 310927676, 348453430, 388659595, 696906860, 777319190, 1010514947, 1554638380, 2021029894, 4042059788, 5052574735, 10105149470, 20210298940]

約数ペア:

[(1, 20210298940), (2, 10105149470), (4, 5052574735), (5, 4042059788), (10, 2021029894), (13, 1554638380), (20, 1010514947), (26, 777319190), (29, 696906860), (52, 388659595), (58, 348453430), (65, 310927676), (116, 174226715), (130, 155463838), (145, 139381372), (260, 77731919), (290, 69690686), (377, 53608220), (580, 34845343), (754, 26804110), (1259, 16052660), (1508, 13402055), (1885, 10721644), (2129, 9492860), (2518, 8026330), (3770, 5360822), (4258, 4746430), (5036, 4013165), (6295, 3210532), (7540, 2680411), (8516, 2373215), (10645, 1898572), (12590, 1605266), (16367, 1234820), (21290, 949286), (25180, 802633), (27677, 730220), (32734, 617410), (36511, 553540), (42580, 474643), (55354, 365110), (61741, 327340), (65468, 308705), (73022, 276770), (81835, 246964), (110708, 182555), (123482, 163670), (138385, 146044)]