20955870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17911}}^1$

素因数の和:17937

約数の個数: 48

約数和(自身を含む): 58679712

約数和(自身を除く): 37723842

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17911, 35822, 53733, 89555, 107466, 161199, 179110, 232843, 268665, 322398, 465686, 537330, 698529, 805995, 1164215, 1397058, 1611990, 2095587, 2328430, 3492645, 4191174, 6985290, 10477935, 20955870]

約数ペア:

[(1, 20955870), (2, 10477935), (3, 6985290), (5, 4191174), (6, 3492645), (9, 2328430), (10, 2095587), (13, 1611990), (15, 1397058), (18, 1164215), (26, 805995), (30, 698529), (39, 537330), (45, 465686), (65, 322398), (78, 268665), (90, 232843), (117, 179110), (130, 161199), (195, 107466), (234, 89555), (390, 53733), (585, 35822), (1170, 17911)]