20153973136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1449509}}^1$

素因数の和:1449607

約数の個数: 40

約数和(自身を含む): 43137417600

約数和(自身を除く): 22983444464

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1738, 3476, 6952, 13904, 1449509, 2899018, 5798036, 11596072, 15944599, 23192144, 31889198, 63778396, 114511211, 127556792, 229022422, 255113584, 458044844, 916089688, 1259623321, 1832179376, 2519246642, 5038493284, 10076986568, 20153973136]

約数ペア:

[(1, 20153973136), (2, 10076986568), (4, 5038493284), (8, 2519246642), (11, 1832179376), (16, 1259623321), (22, 916089688), (44, 458044844), (79, 255113584), (88, 229022422), (158, 127556792), (176, 114511211), (316, 63778396), (632, 31889198), (869, 23192144), (1264, 15944599), (1738, 11596072), (3476, 5798036), (6952, 2899018), (13904, 1449509)]