20838690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10067}}^1$

素因数の和:10103

約数の個数: 48

約数和(自身を含む): 56541888

約数和(自身を除く): 35703198

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 10067, 20134, 30201, 50335, 60402, 90603, 100670, 151005, 181206, 231541, 302010, 453015, 463082, 694623, 906030, 1157705, 1389246, 2083869, 2315410, 3473115, 4167738, 6946230, 10419345, 20838690]

約数ペア:

[(1, 20838690), (2, 10419345), (3, 6946230), (5, 4167738), (6, 3473115), (9, 2315410), (10, 2083869), (15, 1389246), (18, 1157705), (23, 906030), (30, 694623), (45, 463082), (46, 453015), (69, 302010), (90, 231541), (115, 181206), (138, 151005), (207, 100670), (230, 90603), (345, 60402), (414, 50335), (690, 30201), (1035, 20134), (2070, 10067)]