20160865990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{77509}}^1$

素因数の和:77609

約数の個数: 48

約数和(自身を含む): 39260365200

約数和(自身を除く): 19099499210

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1369, 1406, 2738, 3515, 6845, 7030, 13690, 26011, 52022, 77509, 130055, 155018, 260110, 387545, 775090, 1472671, 2867833, 2945342, 5735666, 7363355, 14339165, 14726710, 28678330, 54488827, 106109821, 108977654, 212219642, 272444135, 530549105, 544888270, 1061098210, 2016086599, 4032173198, 10080432995, 20160865990]

約数ペア:

[(1, 20160865990), (2, 10080432995), (5, 4032173198), (10, 2016086599), (19, 1061098210), (37, 544888270), (38, 530549105), (74, 272444135), (95, 212219642), (185, 108977654), (190, 106109821), (370, 54488827), (703, 28678330), (1369, 14726710), (1406, 14339165), (2738, 7363355), (3515, 5735666), (6845, 2945342), (7030, 2867833), (13690, 1472671), (26011, 775090), (52022, 387545), (77509, 260110), (130055, 155018)]