20103952

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1109}}^1$

素因数の和:1231

約数の個数: 40

約数和(自身を含む): 42943680

約数和(自身を除く): 22839728

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 103, 176, 206, 412, 824, 1109, 1133, 1648, 2218, 2266, 4436, 4532, 8872, 9064, 12199, 17744, 18128, 24398, 48796, 97592, 114227, 195184, 228454, 456908, 913816, 1256497, 1827632, 2512994, 5025988, 10051976, 20103952]

約数ペア:

[(1, 20103952), (2, 10051976), (4, 5025988), (8, 2512994), (11, 1827632), (16, 1256497), (22, 913816), (44, 456908), (88, 228454), (103, 195184), (176, 114227), (206, 97592), (412, 48796), (824, 24398), (1109, 18128), (1133, 17744), (1648, 12199), (2218, 9064), (2266, 8872), (4436, 4532)]