20873742

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 46085760

約数和(自身を除く): 25212018

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 361, 419, 437, 722, 838, 874, 1083, 1257, 1311, 2166, 2514, 2622, 7961, 8303, 9637, 15922, 16606, 19274, 23883, 24909, 28911, 47766, 49818, 57822, 151259, 183103, 302518, 366206, 453777, 549309, 907554, 1098618, 3478957, 6957914, 10436871, 20873742]

約数ペア:

[(1, 20873742), (2, 10436871), (3, 6957914), (6, 3478957), (19, 1098618), (23, 907554), (38, 549309), (46, 453777), (57, 366206), (69, 302518), (114, 183103), (138, 151259), (361, 57822), (419, 49818), (437, 47766), (722, 28911), (838, 24909), (874, 23883), (1083, 19274), (1257, 16606), (1311, 15922), (2166, 9637), (2514, 8303), (2622, 7961)]