16620990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{13513}}^1$

素因数の和:13564

約数の個数: 32

約数和(自身を含む): 40866336

約数和(自身を除く): 24245346

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 13513, 27026, 40539, 67565, 81078, 135130, 202695, 405390, 554033, 1108066, 1662099, 2770165, 3324198, 5540330, 8310495, 16620990]

約数ペア:

[(1, 16620990), (2, 8310495), (3, 5540330), (5, 3324198), (6, 2770165), (10, 1662099), (15, 1108066), (30, 554033), (41, 405390), (82, 202695), (123, 135130), (205, 81078), (246, 67565), (410, 40539), (615, 27026), (1230, 13513)]