20199255687

素因数分解:

$3^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{28933}}^1$

素因数の和:28991

約数の個数: 72

約数和(自身を含む): 34692328944

約数和(自身を除く): 14493073257

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 169, 221, 243, 351, 459, 507, 663, 1053, 1377, 1521, 1989, 2873, 3159, 4131, 4563, 5967, 8619, 13689, 17901, 25857, 28933, 41067, 53703, 77571, 86799, 232713, 260397, 376129, 491861, 698139, 781191, 1128387, 1475583, 2343573, 3385161, 4426749, 4889677, 6394193, 7030719, 10155483, 13280247, 14669031, 19182579, 30466449, 39840741, 44007093, 57547737, 83124509, 91399347, 119522223, 132021279, 172643211, 249373527, 396063837, 517929633, 748120581, 1188191511, 1553788899, 2244361743, 6733085229, 20199255687]

約数ペア:

[(1, 20199255687), (3, 6733085229), (9, 2244361743), (13, 1553788899), (17, 1188191511), (27, 748120581), (39, 517929633), (51, 396063837), (81, 249373527), (117, 172643211), (153, 132021279), (169, 119522223), (221, 91399347), (243, 83124509), (351, 57547737), (459, 44007093), (507, 39840741), (663, 30466449), (1053, 19182579), (1377, 14669031), (1521, 13280247), (1989, 10155483), (2873, 7030719), (3159, 6394193), (4131, 4889677), (4563, 4426749), (5967, 3385161), (8619, 2343573), (13689, 1475583), (17901, 1128387), (25857, 781191), (28933, 698139), (41067, 491861), (53703, 376129), (77571, 260397), (86799, 232713)]