2020549965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{6451}}^1$

素因数の和:6642

約数の個数: 64

約数和(自身を含む): 3914557440

約数和(自身を除く): 1894007475

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 157, 285, 399, 471, 665, 785, 1099, 1995, 2355, 2983, 3297, 5495, 6451, 8949, 14915, 16485, 19353, 20881, 32255, 44745, 45157, 62643, 96765, 104405, 122569, 135471, 225785, 313215, 367707, 612845, 677355, 857983, 1012807, 1838535, 2573949, 3038421, 4289915, 5064035, 7089649, 12869745, 15192105, 19243333, 21268947, 35448245, 57729999, 96216665, 106344735, 134703331, 288649995, 404109993, 673516655, 2020549965]

約数ペア:

[(1, 2020549965), (3, 673516655), (5, 404109993), (7, 288649995), (15, 134703331), (19, 106344735), (21, 96216665), (35, 57729999), (57, 35448245), (95, 21268947), (105, 19243333), (133, 15192105), (157, 12869745), (285, 7089649), (399, 5064035), (471, 4289915), (665, 3038421), (785, 2573949), (1099, 1838535), (1995, 1012807), (2355, 857983), (2983, 677355), (3297, 612845), (5495, 367707), (6451, 313215), (8949, 225785), (14915, 135471), (16485, 122569), (19353, 104405), (20881, 96765), (32255, 62643), (44745, 45157)]