20161993744

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{332399}}^1$

素因数の和:332647

約数の個数: 40

約数和(自身を含む): 41547340800

約数和(自身を除く): 21385347056

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 223, 272, 446, 892, 1784, 3568, 3791, 7582, 15164, 30328, 60656, 332399, 664798, 1329596, 2659192, 5318384, 5650783, 11301566, 22603132, 45206264, 74124977, 90412528, 148249954, 296499908, 592999816, 1185999632, 1260124609, 2520249218, 5040498436, 10080996872, 20161993744]

約数ペア:

[(1, 20161993744), (2, 10080996872), (4, 5040498436), (8, 2520249218), (16, 1260124609), (17, 1185999632), (34, 592999816), (68, 296499908), (136, 148249954), (223, 90412528), (272, 74124977), (446, 45206264), (892, 22603132), (1784, 11301566), (3568, 5650783), (3791, 5318384), (7582, 2659192), (15164, 1329596), (30328, 664798), (60656, 332399)]