20897658

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2203}}^1$

素因数の和:2259

約数の個数: 48

約数和(自身を含む): 49510656

約数和(自身を除く): 28612998

約数列:

[1, 2, 3, 6, 9, 17, 18, 31, 34, 51, 62, 93, 102, 153, 186, 279, 306, 527, 558, 1054, 1581, 2203, 3162, 4406, 4743, 6609, 9486, 13218, 19827, 37451, 39654, 68293, 74902, 112353, 136586, 204879, 224706, 337059, 409758, 614637, 674118, 1160981, 1229274, 2321962, 3482943, 6965886, 10448829, 20897658]

約数ペア:

[(1, 20897658), (2, 10448829), (3, 6965886), (6, 3482943), (9, 2321962), (17, 1229274), (18, 1160981), (31, 674118), (34, 614637), (51, 409758), (62, 337059), (93, 224706), (102, 204879), (153, 136586), (186, 112353), (279, 74902), (306, 68293), (527, 39654), (558, 37451), (1054, 19827), (1581, 13218), (2203, 9486), (3162, 6609), (4406, 4743)]