20702900390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2970287}}^1$

素因数の和:2970352

約数の個数: 32

約数和(自身を含む): 40419679104

約数和(自身を除く): 19716778714

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 2970287, 5940574, 14851435, 29702870, 50494879, 100989758, 121781767, 243563534, 252474395, 504948790, 608908835, 1217817670, 2070290039, 4140580078, 10351450195, 20702900390]

約数ペア:

[(1, 20702900390), (2, 10351450195), (5, 4140580078), (10, 2070290039), (17, 1217817670), (34, 608908835), (41, 504948790), (82, 252474395), (85, 243563534), (170, 121781767), (205, 100989758), (410, 50494879), (697, 29702870), (1394, 14851435), (3485, 5940574), (6970, 2970287)]