20231172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 55648320

約数和(自身を除く): 35417148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 311, 417, 468, 556, 622, 834, 933, 1244, 1251, 1668, 1807, 1866, 2502, 2799, 3614, 3732, 4043, 5004, 5421, 5598, 7228, 8086, 10842, 11196, 12129, 16172, 16263, 21684, 24258, 32526, 36387, 43229, 48516, 65052, 72774, 86458, 129687, 145548, 172916, 259374, 389061, 518748, 561977, 778122, 1123954, 1556244, 1685931, 2247908, 3371862, 5057793, 6743724, 10115586, 20231172]

約数ペア:

[(1, 20231172), (2, 10115586), (3, 6743724), (4, 5057793), (6, 3371862), (9, 2247908), (12, 1685931), (13, 1556244), (18, 1123954), (26, 778122), (36, 561977), (39, 518748), (52, 389061), (78, 259374), (117, 172916), (139, 145548), (156, 129687), (234, 86458), (278, 72774), (311, 65052), (417, 48516), (468, 43229), (556, 36387), (622, 32526), (834, 24258), (933, 21684), (1244, 16263), (1251, 16172), (1668, 12129), (1807, 11196), (1866, 10842), (2502, 8086), (2799, 7228), (3614, 5598), (3732, 5421), (4043, 5004)]