20195399895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{29401}}^1$

素因数の和:29624

約数の個数: 64

約数和(自身を含む): 36987245568

約数和(自身を除く): 16791845673

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 181, 253, 345, 543, 759, 905, 1265, 1991, 2715, 3795, 4163, 5973, 9955, 12489, 20815, 29401, 29865, 45793, 62445, 88203, 137379, 147005, 228965, 323411, 441015, 676223, 686895, 970233, 1617055, 2028669, 3381115, 4851165, 5321581, 7438453, 10143345, 15964743, 22315359, 26607905, 37192265, 58537391, 79823715, 111576795, 122396363, 175612173, 292686955, 367189089, 611981815, 878060865, 1346359993, 1835945445, 4039079979, 6731799965, 20195399895]

約数ペア:

[(1, 20195399895), (3, 6731799965), (5, 4039079979), (11, 1835945445), (15, 1346359993), (23, 878060865), (33, 611981815), (55, 367189089), (69, 292686955), (115, 175612173), (165, 122396363), (181, 111576795), (253, 79823715), (345, 58537391), (543, 37192265), (759, 26607905), (905, 22315359), (1265, 15964743), (1991, 10143345), (2715, 7438453), (3795, 5321581), (4163, 4851165), (5973, 3381115), (9955, 2028669), (12489, 1617055), (20815, 970233), (29401, 686895), (29865, 676223), (45793, 441015), (62445, 323411), (88203, 228965), (137379, 147005)]