20737548

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{607}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 57319808

約数和(自身を除く): 36582260

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 73, 78, 117, 146, 156, 219, 234, 292, 438, 468, 607, 657, 876, 949, 1214, 1314, 1821, 1898, 2428, 2628, 2847, 3642, 3796, 5463, 5694, 7284, 7891, 8541, 10926, 11388, 15782, 17082, 21852, 23673, 31564, 34164, 44311, 47346, 71019, 88622, 94692, 132933, 142038, 177244, 265866, 284076, 398799, 531732, 576043, 797598, 1152086, 1595196, 1728129, 2304172, 3456258, 5184387, 6912516, 10368774, 20737548]

約数ペア:

[(1, 20737548), (2, 10368774), (3, 6912516), (4, 5184387), (6, 3456258), (9, 2304172), (12, 1728129), (13, 1595196), (18, 1152086), (26, 797598), (36, 576043), (39, 531732), (52, 398799), (73, 284076), (78, 265866), (117, 177244), (146, 142038), (156, 132933), (219, 94692), (234, 88622), (292, 71019), (438, 47346), (468, 44311), (607, 34164), (657, 31564), (876, 23673), (949, 21852), (1214, 17082), (1314, 15782), (1821, 11388), (1898, 10926), (2428, 8541), (2628, 7891), (2847, 7284), (3642, 5694), (3796, 5463)]