20894818

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 37319040

約数和(自身を除く): 16424222

約数列:

[1, 2, 7, 14, 43, 61, 86, 122, 301, 427, 569, 602, 854, 1138, 2623, 3983, 5246, 7966, 18361, 24467, 34709, 36722, 48934, 69418, 171269, 242963, 342538, 485926, 1492487, 2984974, 10447409, 20894818]

約数ペア:

[(1, 20894818), (2, 10447409), (7, 2984974), (14, 1492487), (43, 485926), (61, 342538), (86, 242963), (122, 171269), (301, 69418), (427, 48934), (569, 36722), (602, 34709), (854, 24467), (1138, 18361), (2623, 7966), (3983, 5246)]