20380710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 59710464

約数和(自身を除く): 39329754

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 43, 61, 70, 74, 86, 105, 111, 122, 129, 183, 185, 210, 215, 222, 258, 259, 301, 305, 366, 370, 427, 430, 518, 555, 602, 610, 645, 777, 854, 903, 915, 1110, 1281, 1290, 1295, 1505, 1554, 1591, 1806, 1830, 2135, 2257, 2562, 2590, 2623, 3010, 3182, 3885, 4270, 4514, 4515, 4773, 5246, 6405, 6771, 7770, 7869, 7955, 9030, 9546, 11137, 11285, 12810, 13115, 13542, 15738, 15799, 15910, 18361, 22274, 22570, 23865, 26230, 31598, 33411, 33855, 36722, 39345, 47397, 47730, 55083, 55685, 66822, 67710, 78690, 78995, 91805, 94794, 97051, 110166, 111370, 157990, 167055, 183610, 194102, 236985, 275415, 291153, 334110, 473970, 485255, 550830, 582306, 679357, 970510, 1358714, 1455765, 2038071, 2911530, 3396785, 4076142, 6793570, 10190355, 20380710]

約数ペア:

[(1, 20380710), (2, 10190355), (3, 6793570), (5, 4076142), (6, 3396785), (7, 2911530), (10, 2038071), (14, 1455765), (15, 1358714), (21, 970510), (30, 679357), (35, 582306), (37, 550830), (42, 485255), (43, 473970), (61, 334110), (70, 291153), (74, 275415), (86, 236985), (105, 194102), (111, 183610), (122, 167055), (129, 157990), (183, 111370), (185, 110166), (210, 97051), (215, 94794), (222, 91805), (258, 78995), (259, 78690), (301, 67710), (305, 66822), (366, 55685), (370, 55083), (427, 47730), (430, 47397), (518, 39345), (555, 36722), (602, 33855), (610, 33411), (645, 31598), (777, 26230), (854, 23865), (903, 22570), (915, 22274), (1110, 18361), (1281, 15910), (1290, 15799), (1295, 15738), (1505, 13542), (1554, 13115), (1591, 12810), (1806, 11285), (1830, 11137), (2135, 9546), (2257, 9030), (2562, 7955), (2590, 7869), (2623, 7770), (3010, 6771), (3182, 6405), (3885, 5246), (4270, 4773), (4514, 4515)]