20411070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{809}}^1$

素因数の和:877

約数の個数: 48

約数和(自身を含む): 50796720

約数和(自身を除く): 30385650

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 809, 841, 870, 1618, 1682, 2427, 2523, 4045, 4205, 4854, 5046, 8090, 8410, 12135, 12615, 23461, 24270, 25230, 46922, 70383, 117305, 140766, 234610, 351915, 680369, 703830, 1360738, 2041107, 3401845, 4082214, 6803690, 10205535, 20411070]

約数ペア:

[(1, 20411070), (2, 10205535), (3, 6803690), (5, 4082214), (6, 3401845), (10, 2041107), (15, 1360738), (29, 703830), (30, 680369), (58, 351915), (87, 234610), (145, 140766), (174, 117305), (290, 70383), (435, 46922), (809, 25230), (841, 24270), (870, 23461), (1618, 12615), (1682, 12135), (2427, 8410), (2523, 8090), (4045, 5046), (4205, 4854)]