20144814920

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{653}}^1\times {\mathrm{4261}}^1$

素因数の和:5106

約数の個数: 64

約数和(自身を含む): 45656760240

約数和(自身を除く): 25511945320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 653, 724, 905, 1306, 1448, 1810, 2612, 3265, 3620, 4261, 5224, 6530, 7240, 8522, 13060, 17044, 21305, 26120, 34088, 42610, 85220, 118193, 170440, 236386, 472772, 590965, 771241, 945544, 1181930, 1542482, 2363860, 2782433, 3084964, 3856205, 4727720, 5564866, 6169928, 7712410, 11129732, 13912165, 15424820, 22259464, 27824330, 30849640, 55648660, 111297320, 503620373, 1007240746, 2014481492, 2518101865, 4028962984, 5036203730, 10072407460, 20144814920]

約数ペア:

[(1, 20144814920), (2, 10072407460), (4, 5036203730), (5, 4028962984), (8, 2518101865), (10, 2014481492), (20, 1007240746), (40, 503620373), (181, 111297320), (362, 55648660), (653, 30849640), (724, 27824330), (905, 22259464), (1306, 15424820), (1448, 13912165), (1810, 11129732), (2612, 7712410), (3265, 6169928), (3620, 5564866), (4261, 4727720), (5224, 3856205), (6530, 3084964), (7240, 2782433), (8522, 2363860), (13060, 1542482), (17044, 1181930), (21305, 945544), (26120, 771241), (34088, 590965), (42610, 472772), (85220, 236386), (118193, 170440)]