20278399510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2909383}}^1$

素因数の和:2909448

約数の個数: 32

約数和(自身を含む): 39590897472

約数和(自身を除く): 19312497962

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 2909383, 5818766, 14546915, 29093830, 49459511, 98919022, 119284703, 238569406, 247297555, 494595110, 596423515, 1192847030, 2027839951, 4055679902, 10139199755, 20278399510]

約数ペア:

[(1, 20278399510), (2, 10139199755), (5, 4055679902), (10, 2027839951), (17, 1192847030), (34, 596423515), (41, 494595110), (82, 247297555), (85, 238569406), (170, 119284703), (205, 98919022), (410, 49459511), (697, 29093830), (1394, 14546915), (3485, 5818766), (6970, 2909383)]