20928222

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1019}}^1$

素因数の和:1197

約数の個数: 48

約数和(自身を含む): 52191360

約数和(自身を除く): 31263138

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 163, 326, 489, 978, 1019, 1141, 1467, 2038, 2282, 2934, 3057, 3423, 6114, 6846, 7133, 9171, 10269, 14266, 18342, 20538, 21399, 42798, 64197, 128394, 166097, 332194, 498291, 996582, 1162679, 1494873, 2325358, 2989746, 3488037, 6976074, 10464111, 20928222]

約数ペア:

[(1, 20928222), (2, 10464111), (3, 6976074), (6, 3488037), (7, 2989746), (9, 2325358), (14, 1494873), (18, 1162679), (21, 996582), (42, 498291), (63, 332194), (126, 166097), (163, 128394), (326, 64197), (489, 42798), (978, 21399), (1019, 20538), (1141, 18342), (1467, 14266), (2038, 10269), (2282, 9171), (2934, 7133), (3057, 6846), (3423, 6114)]