20308740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1249}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 57120000

約数和(自身を除く): 36811260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 271, 542, 813, 1084, 1249, 1355, 1626, 2498, 2710, 3252, 3747, 4065, 4996, 5420, 6245, 7494, 8130, 12490, 14988, 16260, 18735, 24980, 37470, 74940, 338479, 676958, 1015437, 1353916, 1692395, 2030874, 3384790, 4061748, 5077185, 6769580, 10154370, 20308740]

約数ペア:

[(1, 20308740), (2, 10154370), (3, 6769580), (4, 5077185), (5, 4061748), (6, 3384790), (10, 2030874), (12, 1692395), (15, 1353916), (20, 1015437), (30, 676958), (60, 338479), (271, 74940), (542, 37470), (813, 24980), (1084, 18735), (1249, 16260), (1355, 14988), (1626, 12490), (2498, 8130), (2710, 7494), (3252, 6245), (3747, 5420), (4065, 4996)]