20591522

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{359}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 37635840

約数和(自身を除く): 17044318

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 241, 359, 482, 718, 1687, 2513, 3374, 4097, 5026, 6103, 8194, 12206, 28679, 42721, 57358, 85442, 86519, 173038, 605633, 1211266, 1470823, 2941646, 10295761, 20591522]

約数ペア:

[(1, 20591522), (2, 10295761), (7, 2941646), (14, 1470823), (17, 1211266), (34, 605633), (119, 173038), (238, 86519), (241, 85442), (359, 57358), (482, 42721), (718, 28679), (1687, 12206), (2513, 8194), (3374, 6103), (4097, 5026)]