20166678

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1770

約数の個数: 64

約数和(自身を含む): 52899840

約数和(自身を除く): 32733162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 93, 126, 186, 189, 217, 279, 378, 434, 558, 651, 837, 1302, 1674, 1721, 1953, 3442, 3906, 5163, 5859, 10326, 11718, 12047, 15489, 24094, 30978, 36141, 46467, 53351, 72282, 92934, 106702, 108423, 160053, 216846, 320106, 325269, 373457, 480159, 650538, 746914, 960318, 1120371, 1440477, 2240742, 2880954, 3361113, 6722226, 10083339, 20166678]

約数ペア:

[(1, 20166678), (2, 10083339), (3, 6722226), (6, 3361113), (7, 2880954), (9, 2240742), (14, 1440477), (18, 1120371), (21, 960318), (27, 746914), (31, 650538), (42, 480159), (54, 373457), (62, 325269), (63, 320106), (93, 216846), (126, 160053), (186, 108423), (189, 106702), (217, 92934), (279, 72282), (378, 53351), (434, 46467), (558, 36141), (651, 30978), (837, 24094), (1302, 15489), (1674, 12047), (1721, 11718), (1953, 10326), (3442, 5859), (3906, 5163)]