20198093706

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{349}}^1\times {\mathrm{65617}}^1$

素因数の和:65988

約数の個数: 72

約数和(自身を含む): 51054084900

約数和(自身を除く): 30855991194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 349, 441, 698, 882, 1047, 2094, 2443, 3141, 4886, 6282, 7329, 14658, 17101, 21987, 34202, 43974, 51303, 65617, 102606, 131234, 153909, 196851, 307818, 393702, 459319, 590553, 918638, 1181106, 1377957, 2755914, 3215233, 4133871, 6430466, 8267742, 9645699, 19291398, 22900333, 28937097, 45800666, 57874194, 68700999, 137401998, 160302331, 206102997, 320604662, 412205994, 480906993, 961813986, 1122116317, 1442720979, 2244232634, 2885441958, 3366348951, 6732697902, 10099046853, 20198093706]

約数ペア:

[(1, 20198093706), (2, 10099046853), (3, 6732697902), (6, 3366348951), (7, 2885441958), (9, 2244232634), (14, 1442720979), (18, 1122116317), (21, 961813986), (42, 480906993), (49, 412205994), (63, 320604662), (98, 206102997), (126, 160302331), (147, 137401998), (294, 68700999), (349, 57874194), (441, 45800666), (698, 28937097), (882, 22900333), (1047, 19291398), (2094, 9645699), (2443, 8267742), (3141, 6430466), (4886, 4133871), (6282, 3215233), (7329, 2755914), (14658, 1377957), (17101, 1181106), (21987, 918638), (34202, 590553), (43974, 459319), (51303, 393702), (65617, 307818), (102606, 196851), (131234, 153909)]