20930238

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18457}}^1$

素因数の和:18478

約数の個数: 40

約数和(自身を含む): 53602032

約数和(自身を除く): 32671794

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18457, 36914, 55371, 110742, 129199, 166113, 258398, 332226, 387597, 498339, 775194, 996678, 1162791, 1495017, 2325582, 2990034, 3488373, 6976746, 10465119, 20930238]

約数ペア:

[(1, 20930238), (2, 10465119), (3, 6976746), (6, 3488373), (7, 2990034), (9, 2325582), (14, 1495017), (18, 1162791), (21, 996678), (27, 775194), (42, 498339), (54, 387597), (63, 332226), (81, 258398), (126, 166113), (162, 129199), (189, 110742), (378, 55371), (567, 36914), (1134, 18457)]