20815470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17791}}^1$

素因数の和:17817

約数の個数: 48

約数和(自身を含む): 58286592

約数和(自身を除く): 37471122

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, 17791, 35582, 53373, 88955, 106746, 160119, 177910, 231283, 266865, 320238, 462566, 533730, 693849, 800595, 1156415, 1387698, 1601190, 2081547, 2312830, 3469245, 4163094, 6938490, 10407735, 20815470]

約数ペア:

[(1, 20815470), (2, 10407735), (3, 6938490), (5, 4163094), (6, 3469245), (9, 2312830), (10, 2081547), (13, 1601190), (15, 1387698), (18, 1156415), (26, 800595), (30, 693849), (39, 533730), (45, 462566), (65, 320238), (78, 266865), (90, 231283), (117, 177910), (130, 160119), (195, 106746), (234, 88955), (390, 53373), (585, 35582), (1170, 17791)]