20669082

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 48454560

約数和(自身を除く): 27785478

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 229, 294, 307, 458, 614, 687, 921, 1374, 1603, 1842, 2149, 3206, 4298, 4809, 6447, 9618, 11221, 12894, 15043, 22442, 30086, 33663, 45129, 67326, 70303, 90258, 140606, 210909, 421818, 492121, 984242, 1476363, 2952726, 3444847, 6889694, 10334541, 20669082]

約数ペア:

[(1, 20669082), (2, 10334541), (3, 6889694), (6, 3444847), (7, 2952726), (14, 1476363), (21, 984242), (42, 492121), (49, 421818), (98, 210909), (147, 140606), (229, 90258), (294, 70303), (307, 67326), (458, 45129), (614, 33663), (687, 30086), (921, 22442), (1374, 15043), (1603, 12894), (1842, 11221), (2149, 9618), (3206, 6447), (4298, 4809)]