20808329516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{7297}}^1$

素因数の和:7435

約数の個数: 96

約数和(自身を含む): 42568942080

約数和(自身を除く): 21760612564

約数列:

[1, 2, 4, 13, 26, 29, 31, 52, 58, 61, 62, 116, 122, 124, 244, 377, 403, 754, 793, 806, 899, 1508, 1586, 1612, 1769, 1798, 1891, 3172, 3538, 3596, 3782, 7076, 7297, 7564, 11687, 14594, 22997, 23374, 24583, 29188, 45994, 46748, 49166, 54839, 91988, 94861, 98332, 109678, 189722, 211613, 219356, 226207, 379444, 423226, 445117, 452414, 712907, 846452, 890234, 904828, 1425814, 1780468, 2750969, 2851628, 2940691, 5501938, 5786521, 5881382, 6560003, 11003876, 11573042, 11762764, 12908393, 13120006, 13798627, 23146084, 25816786, 26240012, 27597254, 51633572, 55194508, 85280039, 167809109, 170560078, 179382151, 335618218, 341120156, 358764302, 400160183, 671236436, 717528604, 800320366, 1600640732, 5202082379, 10404164758, 20808329516]

約数ペア:

[(1, 20808329516), (2, 10404164758), (4, 5202082379), (13, 1600640732), (26, 800320366), (29, 717528604), (31, 671236436), (52, 400160183), (58, 358764302), (61, 341120156), (62, 335618218), (116, 179382151), (122, 170560078), (124, 167809109), (244, 85280039), (377, 55194508), (403, 51633572), (754, 27597254), (793, 26240012), (806, 25816786), (899, 23146084), (1508, 13798627), (1586, 13120006), (1612, 12908393), (1769, 11762764), (1798, 11573042), (1891, 11003876), (3172, 6560003), (3538, 5881382), (3596, 5786521), (3782, 5501938), (7076, 2940691), (7297, 2851628), (7564, 2750969), (11687, 1780468), (14594, 1425814), (22997, 904828), (23374, 890234), (24583, 846452), (29188, 712907), (45994, 452414), (46748, 445117), (49166, 423226), (54839, 379444), (91988, 226207), (94861, 219356), (98332, 211613), (109678, 189722)]