20558597712

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{189767}}^1$

素因数の和:189876

約数の個数: 80

約数和(自身を含む): 55439582592

約数和(自身を除く): 34880984880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 61, 74, 111, 122, 148, 183, 222, 244, 296, 366, 444, 488, 592, 732, 888, 976, 1464, 1776, 2257, 2928, 4514, 6771, 9028, 13542, 18056, 27084, 36112, 54168, 108336, 189767, 379534, 569301, 759068, 1138602, 1518136, 2277204, 3036272, 4554408, 7021379, 9108816, 11575787, 14042758, 21064137, 23151574, 28085516, 34727361, 42128274, 46303148, 56171032, 69454722, 84256548, 92606296, 112342064, 138909444, 168513096, 185212592, 277818888, 337026192, 428304119, 555637776, 856608238, 1284912357, 1713216476, 2569824714, 3426432952, 5139649428, 6852865904, 10279298856, 20558597712]

約数ペア:

[(1, 20558597712), (2, 10279298856), (3, 6852865904), (4, 5139649428), (6, 3426432952), (8, 2569824714), (12, 1713216476), (16, 1284912357), (24, 856608238), (37, 555637776), (48, 428304119), (61, 337026192), (74, 277818888), (111, 185212592), (122, 168513096), (148, 138909444), (183, 112342064), (222, 92606296), (244, 84256548), (296, 69454722), (366, 56171032), (444, 46303148), (488, 42128274), (592, 34727361), (732, 28085516), (888, 23151574), (976, 21064137), (1464, 14042758), (1776, 11575787), (2257, 9108816), (2928, 7021379), (4514, 4554408), (6771, 3036272), (9028, 2277204), (13542, 1518136), (18056, 1138602), (27084, 759068), (36112, 569301), (54168, 379534), (108336, 189767)]