20843340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49627}}^1$

素因数の和:49646

約数の個数: 48

約数和(自身を含む): 66700032

約数和(自身を除く): 45856692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 49627, 99254, 148881, 198508, 248135, 297762, 347389, 496270, 595524, 694778, 744405, 992540, 1042167, 1389556, 1488810, 1736945, 2084334, 2977620, 3473890, 4168668, 5210835, 6947780, 10421670, 20843340]

約数ペア:

[(1, 20843340), (2, 10421670), (3, 6947780), (4, 5210835), (5, 4168668), (6, 3473890), (7, 2977620), (10, 2084334), (12, 1736945), (14, 1488810), (15, 1389556), (20, 1042167), (21, 992540), (28, 744405), (30, 694778), (35, 595524), (42, 496270), (60, 347389), (70, 297762), (84, 248135), (105, 198508), (140, 148881), (210, 99254), (420, 49627)]