20176496240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14835659}}^1$

素因数の和:14835689

約数の個数: 40

約数和(自身を含む): 49669789680

約数和(自身を除く): 29493293440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14835659, 29671318, 59342636, 74178295, 118685272, 148356590, 237370544, 252206203, 296713180, 504412406, 593426360, 1008824812, 1186852720, 1261031015, 2017649624, 2522062030, 4035299248, 5044124060, 10088248120, 20176496240]

約数ペア:

[(1, 20176496240), (2, 10088248120), (4, 5044124060), (5, 4035299248), (8, 2522062030), (10, 2017649624), (16, 1261031015), (17, 1186852720), (20, 1008824812), (34, 593426360), (40, 504412406), (68, 296713180), (80, 252206203), (85, 237370544), (136, 148356590), (170, 118685272), (272, 74178295), (340, 59342636), (680, 29671318), (1360, 14835659)]