20568996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2633}}^1$

素因数の和:2681

約数の個数: 72

約数和(自身を含む): 61361664

約数和(自身を除く): 40792668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 2633, 3906, 5266, 7812, 7899, 10532, 15798, 18431, 23697, 31596, 36862, 47394, 55293, 73724, 81623, 94788, 110586, 163246, 165879, 221172, 244869, 326492, 331758, 489738, 571361, 663516, 734607, 979476, 1142722, 1469214, 1714083, 2285444, 2938428, 3428166, 5142249, 6856332, 10284498, 20568996]

約数ペア:

[(1, 20568996), (2, 10284498), (3, 6856332), (4, 5142249), (6, 3428166), (7, 2938428), (9, 2285444), (12, 1714083), (14, 1469214), (18, 1142722), (21, 979476), (28, 734607), (31, 663516), (36, 571361), (42, 489738), (62, 331758), (63, 326492), (84, 244869), (93, 221172), (124, 165879), (126, 163246), (186, 110586), (217, 94788), (252, 81623), (279, 73724), (372, 55293), (434, 47394), (558, 36862), (651, 31596), (868, 23697), (1116, 18431), (1302, 15798), (1953, 10532), (2604, 7899), (2633, 7812), (3906, 5266)]