20165958

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 45021600

約数和(自身を除く): 24855642

約数列:

[1, 2, 3, 6, 9, 18, 73, 103, 146, 149, 206, 219, 298, 309, 438, 447, 618, 657, 894, 927, 1314, 1341, 1854, 2682, 7519, 10877, 15038, 15347, 21754, 22557, 30694, 32631, 45114, 46041, 65262, 67671, 92082, 97893, 135342, 138123, 195786, 276246, 1120331, 2240662, 3360993, 6721986, 10082979, 20165958]

約数ペア:

[(1, 20165958), (2, 10082979), (3, 6721986), (6, 3360993), (9, 2240662), (18, 1120331), (73, 276246), (103, 195786), (146, 138123), (149, 135342), (206, 97893), (219, 92082), (298, 67671), (309, 65262), (438, 46041), (447, 45114), (618, 32631), (657, 30694), (894, 22557), (927, 21754), (1314, 15347), (1341, 15038), (1854, 10877), (2682, 7519)]