20687862

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6469}}^1$

素因数の和:6528

約数の個数: 32

約数和(自身を含む): 45652320

約数和(自身を除く): 24964458

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 533, 1066, 1599, 3198, 6469, 12938, 19407, 38814, 84097, 168194, 252291, 265229, 504582, 530458, 795687, 1591374, 3447977, 6895954, 10343931, 20687862]

約数ペア:

[(1, 20687862), (2, 10343931), (3, 6895954), (6, 3447977), (13, 1591374), (26, 795687), (39, 530458), (41, 504582), (78, 265229), (82, 252291), (123, 168194), (246, 84097), (533, 38814), (1066, 19407), (1599, 12938), (3198, 6469)]