20860185

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 34618752

約数和(自身を除く): 13758567

約数列:

[1, 3, 5, 15, 41, 107, 123, 205, 317, 321, 535, 615, 951, 1585, 1605, 4387, 4755, 12997, 13161, 21935, 33919, 38991, 64985, 65805, 101757, 169595, 194955, 508785, 1390679, 4172037, 6953395, 20860185]

約数ペア:

[(1, 20860185), (3, 6953395), (5, 4172037), (15, 1390679), (41, 508785), (107, 194955), (123, 169595), (205, 101757), (317, 65805), (321, 64985), (535, 38991), (615, 33919), (951, 21935), (1585, 13161), (1605, 12997), (4387, 4755)]