20403004427

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1\times {\mathrm{6091}}^1$

素因数の和:6803

約数の個数: 32

約数和(自身を含む): 24317314560

約数和(自身を除く): 3914310133

約数列:

[1, 13, 17, 23, 221, 299, 391, 659, 5083, 6091, 8567, 11203, 15157, 79183, 103547, 140093, 145639, 197041, 257669, 1346111, 1821209, 2381581, 3349697, 4013969, 30960553, 52181597, 68237473, 92321287, 887087149, 1200176731, 1569461879, 20403004427]

約数ペア:

[(1, 20403004427), (13, 1569461879), (17, 1200176731), (23, 887087149), (221, 92321287), (299, 68237473), (391, 52181597), (659, 30960553), (5083, 4013969), (6091, 3349697), (8567, 2381581), (11203, 1821209), (15157, 1346111), (79183, 257669), (103547, 197041), (140093, 145639)]