20624517

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 32363520

約数和(自身を除く): 11739003

約数列:

[1, 3, 9, 27, 31, 41, 93, 123, 279, 369, 601, 837, 1107, 1271, 1803, 3813, 5409, 11439, 16227, 18631, 24641, 34317, 55893, 73923, 167679, 221769, 503037, 665307, 763871, 2291613, 6874839, 20624517]

約数ペア:

[(1, 20624517), (3, 6874839), (9, 2291613), (27, 763871), (31, 665307), (41, 503037), (93, 221769), (123, 167679), (279, 73923), (369, 55893), (601, 34317), (837, 24641), (1107, 18631), (1271, 16227), (1803, 11439), (3813, 5409)]