20884902015

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1\times {\mathrm{31237}}^1$

素因数の和:31356

約数の個数: 48

約数和(自身を含む): 35261954208

約数和(自身を除く): 14377052193

約数列:

[1, 3, 5, 15, 29, 53, 87, 145, 159, 265, 435, 795, 841, 1537, 2523, 4205, 4611, 7685, 12615, 23055, 31237, 44573, 93711, 133719, 156185, 222865, 468555, 668595, 905873, 1655561, 2717619, 4529365, 4966683, 8277805, 13588095, 24833415, 26270317, 48011269, 78810951, 131351585, 144033807, 240056345, 394054755, 720169035, 1392326801, 4176980403, 6961634005, 20884902015]

約数ペア:

[(1, 20884902015), (3, 6961634005), (5, 4176980403), (15, 1392326801), (29, 720169035), (53, 394054755), (87, 240056345), (145, 144033807), (159, 131351585), (265, 78810951), (435, 48011269), (795, 26270317), (841, 24833415), (1537, 13588095), (2523, 8277805), (4205, 4966683), (4611, 4529365), (7685, 2717619), (12615, 1655561), (23055, 905873), (31237, 668595), (44573, 468555), (93711, 222865), (133719, 156185)]