20790834472

素因数分解:

$2^3\times {\mathrm{61}}^2\times {\mathrm{433}}^1\times {\mathrm{1613}}^1$

素因数の和:2174

約数の個数: 48

約数和(自身を含む): 39748510620

約数和(自身を除く): 18957676148

約数列:

[1, 2, 4, 8, 61, 122, 244, 433, 488, 866, 1613, 1732, 3226, 3464, 3721, 6452, 7442, 12904, 14884, 26413, 29768, 52826, 98393, 105652, 196786, 211304, 393572, 698429, 787144, 1396858, 1611193, 2793716, 3222386, 5587432, 6001973, 6444772, 12003946, 12889544, 24007892, 42604169, 48015784, 85208338, 170416676, 340833352, 2598854309, 5197708618, 10395417236, 20790834472]

約数ペア:

[(1, 20790834472), (2, 10395417236), (4, 5197708618), (8, 2598854309), (61, 340833352), (122, 170416676), (244, 85208338), (433, 48015784), (488, 42604169), (866, 24007892), (1613, 12889544), (1732, 12003946), (3226, 6444772), (3464, 6001973), (3721, 5587432), (6452, 3222386), (7442, 2793716), (12904, 1611193), (14884, 1396858), (26413, 787144), (29768, 698429), (52826, 393572), (98393, 211304), (105652, 196786)]