20120877007

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{5113}}^1$

素因数の和:5301

約数の個数: 40

約数和(自身を含む): 25783765200

約数和(自身を除く): 5662888193

約数列:

[1, 7, 11, 49, 77, 149, 343, 539, 1043, 1639, 2401, 3773, 5113, 7301, 11473, 26411, 35791, 51107, 56243, 80311, 250537, 357749, 393701, 562177, 761837, 1753759, 2755907, 3935239, 5332859, 8380207, 12276313, 19291349, 37330013, 58661449, 135039443, 261310091, 410630143, 1829170637, 2874411001, 20120877007]

約数ペア:

[(1, 20120877007), (7, 2874411001), (11, 1829170637), (49, 410630143), (77, 261310091), (149, 135039443), (343, 58661449), (539, 37330013), (1043, 19291349), (1639, 12276313), (2401, 8380207), (3773, 5332859), (5113, 3935239), (7301, 2755907), (11473, 1753759), (26411, 761837), (35791, 562177), (51107, 393701), (56243, 357749), (80311, 250537)]