20476991810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{45817}}^1$

素因数の和:46091

約数の個数: 64

約数和(自身を含む): 42753692160

約数和(自身を除く): 22276700350

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 239, 374, 478, 935, 1195, 1870, 2390, 2629, 4063, 5258, 8126, 13145, 20315, 26290, 40630, 44693, 45817, 89386, 91634, 223465, 229085, 446930, 458170, 503987, 778889, 1007974, 1557778, 2519935, 3894445, 5039870, 7788890, 8567779, 10950263, 17135558, 21900526, 42838895, 54751315, 85677790, 109502630, 120452893, 186154471, 240905786, 372308942, 602264465, 930772355, 1204528930, 1861544710, 2047699181, 4095398362, 10238495905, 20476991810]

約数ペア:

[(1, 20476991810), (2, 10238495905), (5, 4095398362), (10, 2047699181), (11, 1861544710), (17, 1204528930), (22, 930772355), (34, 602264465), (55, 372308942), (85, 240905786), (110, 186154471), (170, 120452893), (187, 109502630), (239, 85677790), (374, 54751315), (478, 42838895), (935, 21900526), (1195, 17135558), (1870, 10950263), (2390, 8567779), (2629, 7788890), (4063, 5039870), (5258, 3894445), (8126, 2519935), (13145, 1557778), (20315, 1007974), (26290, 778889), (40630, 503987), (44693, 458170), (45817, 446930), (89386, 229085), (91634, 223465)]