20425236

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{421}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 51612288

約数和(自身を除く): 31187052

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 311, 421, 622, 842, 933, 1244, 1263, 1684, 1866, 2526, 3732, 4043, 5052, 5473, 8086, 10946, 12129, 16172, 16419, 21892, 24258, 32838, 48516, 65676, 130931, 261862, 392793, 523724, 785586, 1571172, 1702103, 3404206, 5106309, 6808412, 10212618, 20425236]

約数ペア:

[(1, 20425236), (2, 10212618), (3, 6808412), (4, 5106309), (6, 3404206), (12, 1702103), (13, 1571172), (26, 785586), (39, 523724), (52, 392793), (78, 261862), (156, 130931), (311, 65676), (421, 48516), (622, 32838), (842, 24258), (933, 21892), (1244, 16419), (1263, 16172), (1684, 12129), (1866, 10946), (2526, 8086), (3732, 5473), (4043, 5052)]