20584728

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{7727}}^1$

素因数の和:7776

約数の個数: 48

約数和(自身を含む): 57264480

約数和(自身を除く): 36679752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 7727, 15454, 23181, 30908, 46362, 61816, 69543, 92724, 139086, 185448, 278172, 285899, 556344, 571798, 857697, 1143596, 1715394, 2287192, 2573091, 3430788, 5146182, 6861576, 10292364, 20584728]

約数ペア:

[(1, 20584728), (2, 10292364), (3, 6861576), (4, 5146182), (6, 3430788), (8, 2573091), (9, 2287192), (12, 1715394), (18, 1143596), (24, 857697), (36, 571798), (37, 556344), (72, 285899), (74, 278172), (111, 185448), (148, 139086), (222, 92724), (296, 69543), (333, 61816), (444, 46362), (666, 30908), (888, 23181), (1332, 15454), (2664, 7727)]