20100497265

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1571}}^1\times {\mathrm{1811}}^1$

素因数の和:3550

約数の個数: 48

約数和(自身を含む): 35104470336

約数和(自身を除く): 15003973071

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 1571, 1811, 2355, 4713, 5433, 7065, 7855, 9055, 14139, 16299, 23565, 27165, 70695, 81495, 246647, 284327, 739941, 852981, 1233235, 1421635, 2219823, 2558943, 2845081, 3699705, 4264905, 8535243, 11099115, 12794715, 14225405, 25605729, 42676215, 128028645, 446677717, 1340033151, 2233388585, 4020099453, 6700165755, 20100497265]

約数ペア:

[(1, 20100497265), (3, 6700165755), (5, 4020099453), (9, 2233388585), (15, 1340033151), (45, 446677717), (157, 128028645), (471, 42676215), (785, 25605729), (1413, 14225405), (1571, 12794715), (1811, 11099115), (2355, 8535243), (4713, 4264905), (5433, 3699705), (7065, 2845081), (7855, 2558943), (9055, 2219823), (14139, 1421635), (16299, 1233235), (23565, 852981), (27165, 739941), (70695, 284327), (81495, 246647)]