20567640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1697}}^1$

素因数の和:1812

約数の個数: 64

約数和(自身を含む): 62350560

約数和(自身を除く): 41782920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1697, 2020, 2424, 3030, 3394, 4040, 5091, 6060, 6788, 8485, 10182, 12120, 13576, 16970, 20364, 25455, 33940, 40728, 50910, 67880, 101820, 171397, 203640, 342794, 514191, 685588, 856985, 1028382, 1371176, 1713970, 2056764, 2570955, 3427940, 4113528, 5141910, 6855880, 10283820, 20567640]

約数ペア:

[(1, 20567640), (2, 10283820), (3, 6855880), (4, 5141910), (5, 4113528), (6, 3427940), (8, 2570955), (10, 2056764), (12, 1713970), (15, 1371176), (20, 1028382), (24, 856985), (30, 685588), (40, 514191), (60, 342794), (101, 203640), (120, 171397), (202, 101820), (303, 67880), (404, 50910), (505, 40728), (606, 33940), (808, 25455), (1010, 20364), (1212, 16970), (1515, 13576), (1697, 12120), (2020, 10182), (2424, 8485), (3030, 6788), (3394, 6060), (4040, 5091)]