16459220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 35779968

約数和(自身を除く): 19320748

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 134, 142, 173, 268, 284, 335, 346, 355, 670, 692, 710, 865, 1340, 1420, 1730, 3460, 4757, 9514, 11591, 12283, 19028, 23182, 23785, 24566, 46364, 47570, 49132, 57955, 61415, 95140, 115910, 122830, 231820, 245660, 822961, 1645922, 3291844, 4114805, 8229610, 16459220]

約数ペア:

[(1, 16459220), (2, 8229610), (4, 4114805), (5, 3291844), (10, 1645922), (20, 822961), (67, 245660), (71, 231820), (134, 122830), (142, 115910), (173, 95140), (268, 61415), (284, 57955), (335, 49132), (346, 47570), (355, 46364), (670, 24566), (692, 23785), (710, 23182), (865, 19028), (1340, 12283), (1420, 11591), (1730, 9514), (3460, 4757)]