20634808

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1187}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 40415760

約数和(自身を除く): 19780952

約数列:

[1, 2, 4, 8, 41, 53, 82, 106, 164, 212, 328, 424, 1187, 2173, 2374, 4346, 4748, 8692, 9496, 17384, 48667, 62911, 97334, 125822, 194668, 251644, 389336, 503288, 2579351, 5158702, 10317404, 20634808]

約数ペア:

[(1, 20634808), (2, 10317404), (4, 5158702), (8, 2579351), (41, 503288), (53, 389336), (82, 251644), (106, 194668), (164, 125822), (212, 97334), (328, 62911), (424, 48667), (1187, 17384), (2173, 9496), (2374, 8692), (4346, 4748)]