20447322

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 49711104

約数和(自身を除く): 29263782

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 61, 69, 122, 138, 161, 183, 322, 347, 366, 427, 483, 694, 854, 966, 1041, 1281, 1403, 2082, 2429, 2562, 2806, 4209, 4858, 7287, 7981, 8418, 9821, 14574, 15962, 19642, 21167, 23943, 29463, 42334, 47886, 55867, 58926, 63501, 111734, 127002, 148169, 167601, 296338, 335202, 444507, 486841, 889014, 973682, 1460523, 2921046, 3407887, 6815774, 10223661, 20447322]

約数ペア:

[(1, 20447322), (2, 10223661), (3, 6815774), (6, 3407887), (7, 2921046), (14, 1460523), (21, 973682), (23, 889014), (42, 486841), (46, 444507), (61, 335202), (69, 296338), (122, 167601), (138, 148169), (161, 127002), (183, 111734), (322, 63501), (347, 58926), (366, 55867), (427, 47886), (483, 42334), (694, 29463), (854, 23943), (966, 21167), (1041, 19642), (1281, 15962), (1403, 14574), (2082, 9821), (2429, 8418), (2562, 7981), (2806, 7287), (4209, 4858)]