20212842

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{541}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 43706880

約数和(自身を除く): 23494038

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 479, 541, 958, 1082, 1437, 1623, 2874, 3246, 6227, 7033, 12454, 14066, 18681, 21099, 37362, 42198, 259139, 518278, 777417, 1554834, 3368807, 6737614, 10106421, 20212842]

約数ペア:

[(1, 20212842), (2, 10106421), (3, 6737614), (6, 3368807), (13, 1554834), (26, 777417), (39, 518278), (78, 259139), (479, 42198), (541, 37362), (958, 21099), (1082, 18681), (1437, 14066), (1623, 12454), (2874, 7033), (3246, 6227)]