20319570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7283}}^1$

素因数の和:7327

約数の個数: 48

約数和(自身を含む): 54542592

約数和(自身を除く): 34223022

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7283, 14566, 21849, 36415, 43698, 65547, 72830, 109245, 131094, 218490, 225773, 327735, 451546, 655470, 677319, 1128865, 1354638, 2031957, 2257730, 3386595, 4063914, 6773190, 10159785, 20319570]

約数ペア:

[(1, 20319570), (2, 10159785), (3, 6773190), (5, 4063914), (6, 3386595), (9, 2257730), (10, 2031957), (15, 1354638), (18, 1128865), (30, 677319), (31, 655470), (45, 451546), (62, 327735), (90, 225773), (93, 218490), (155, 131094), (186, 109245), (279, 72830), (310, 65547), (465, 43698), (558, 36415), (930, 21849), (1395, 14566), (2790, 7283)]