31636220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20543}}^1$

素因数の和:20570

約数の個数: 48

約数和(自身を含む): 82833408

約数和(自身を除く): 51197188

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 20543, 41086, 82172, 102715, 143801, 205430, 225973, 287602, 410860, 451946, 575204, 719005, 903892, 1129865, 1438010, 1581811, 2259730, 2876020, 3163622, 4519460, 6327244, 7909055, 15818110, 31636220]

約数ペア:

[(1, 31636220), (2, 15818110), (4, 7909055), (5, 6327244), (7, 4519460), (10, 3163622), (11, 2876020), (14, 2259730), (20, 1581811), (22, 1438010), (28, 1129865), (35, 903892), (44, 719005), (55, 575204), (70, 451946), (77, 410860), (110, 287602), (140, 225973), (154, 205430), (220, 143801), (308, 102715), (385, 82172), (770, 41086), (1540, 20543)]