20210389940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1895909}}^1$

素因数の和:1895972

約数の個数: 48

約数和(自身を含む): 46821393360

約数和(自身を除く): 26611003420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 1895909, 3791818, 7583636, 9479545, 18959090, 24646817, 37918180, 49293634, 77732269, 98587268, 123234085, 155464538, 246468170, 310929076, 388661345, 492936340, 777322690, 1010519497, 1554645380, 2021038994, 4042077988, 5052597485, 10105194970, 20210389940]

約数ペア:

[(1, 20210389940), (2, 10105194970), (4, 5052597485), (5, 4042077988), (10, 2021038994), (13, 1554645380), (20, 1010519497), (26, 777322690), (41, 492936340), (52, 388661345), (65, 310929076), (82, 246468170), (130, 155464538), (164, 123234085), (205, 98587268), (260, 77732269), (410, 49293634), (533, 37918180), (820, 24646817), (1066, 18959090), (2132, 9479545), (2665, 7583636), (5330, 3791818), (10660, 1895909)]