20344818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 47295360

約数和(自身を除く): 26950542

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 67, 78, 102, 134, 201, 221, 229, 402, 442, 458, 663, 687, 871, 1139, 1326, 1374, 1742, 2278, 2613, 2977, 3417, 3893, 5226, 5954, 6834, 7786, 8931, 11679, 14807, 15343, 17862, 23358, 29614, 30686, 44421, 46029, 50609, 88842, 92058, 101218, 151827, 199459, 260831, 303654, 398918, 521662, 598377, 782493, 1196754, 1564986, 3390803, 6781606, 10172409, 20344818]

約数ペア:

[(1, 20344818), (2, 10172409), (3, 6781606), (6, 3390803), (13, 1564986), (17, 1196754), (26, 782493), (34, 598377), (39, 521662), (51, 398918), (67, 303654), (78, 260831), (102, 199459), (134, 151827), (201, 101218), (221, 92058), (229, 88842), (402, 50609), (442, 46029), (458, 44421), (663, 30686), (687, 29614), (871, 23358), (1139, 17862), (1326, 15343), (1374, 14807), (1742, 11679), (2278, 8931), (2613, 7786), (2977, 6834), (3417, 5954), (3893, 5226)]