20011194

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{659}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 49832640

約数和(自身を除く): 29821446

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 241, 482, 659, 723, 1318, 1446, 1687, 1977, 2169, 3374, 3954, 4338, 4613, 5061, 5931, 9226, 10122, 11862, 13839, 15183, 27678, 30366, 41517, 83034, 158819, 317638, 476457, 952914, 1111733, 1429371, 2223466, 2858742, 3335199, 6670398, 10005597, 20011194]

約数ペア:

[(1, 20011194), (2, 10005597), (3, 6670398), (6, 3335199), (7, 2858742), (9, 2223466), (14, 1429371), (18, 1111733), (21, 952914), (42, 476457), (63, 317638), (126, 158819), (241, 83034), (482, 41517), (659, 30366), (723, 27678), (1318, 15183), (1446, 13839), (1687, 11862), (1977, 10122), (2169, 9226), (3374, 5931), (3954, 5061), (4338, 4613)]