20077620415

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{1039}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 26298455040

約数和(自身を除く): 6220834625

約数列:

[1, 5, 17, 43, 85, 215, 289, 311, 731, 1039, 1445, 1555, 3655, 5195, 5287, 12427, 13373, 17663, 26435, 44677, 62135, 66865, 88315, 89879, 223385, 227341, 300271, 323129, 449395, 759509, 1136705, 1501355, 1615645, 3797545, 3864797, 5493193, 12911653, 13894547, 19323985, 27465965, 64558265, 69472735, 93384281, 236207299, 466921405, 1181036495, 4015524083, 20077620415]

約数ペア:

[(1, 20077620415), (5, 4015524083), (17, 1181036495), (43, 466921405), (85, 236207299), (215, 93384281), (289, 69472735), (311, 64558265), (731, 27465965), (1039, 19323985), (1445, 13894547), (1555, 12911653), (3655, 5493193), (5195, 3864797), (5287, 3797545), (12427, 1615645), (13373, 1501355), (17663, 1136705), (26435, 759509), (44677, 449395), (62135, 323129), (66865, 300271), (88315, 227341), (89879, 223385)]