20401308

素因数分解:

$2^2\times 3^5\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 54221440

約数和(自身を除く): 33820132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 139, 151, 162, 243, 278, 302, 324, 417, 453, 486, 556, 604, 834, 906, 972, 1251, 1359, 1668, 1812, 2502, 2718, 3753, 4077, 5004, 5436, 7506, 8154, 11259, 12231, 15012, 16308, 20989, 22518, 24462, 33777, 36693, 41978, 45036, 48924, 62967, 67554, 73386, 83956, 125934, 135108, 146772, 188901, 251868, 377802, 566703, 755604, 1133406, 1700109, 2266812, 3400218, 5100327, 6800436, 10200654, 20401308]

約数ペア:

[(1, 20401308), (2, 10200654), (3, 6800436), (4, 5100327), (6, 3400218), (9, 2266812), (12, 1700109), (18, 1133406), (27, 755604), (36, 566703), (54, 377802), (81, 251868), (108, 188901), (139, 146772), (151, 135108), (162, 125934), (243, 83956), (278, 73386), (302, 67554), (324, 62967), (417, 48924), (453, 45036), (486, 41978), (556, 36693), (604, 33777), (834, 24462), (906, 22518), (972, 20989), (1251, 16308), (1359, 15012), (1668, 12231), (1812, 11259), (2502, 8154), (2718, 7506), (3753, 5436), (4077, 5004)]