20565648

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:333

約数の個数: 120

約数和(自身を含む): 63138816

約数和(自身を除く): 42573168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 34, 36, 48, 51, 62, 68, 72, 93, 102, 124, 136, 144, 153, 186, 204, 248, 271, 272, 279, 306, 372, 408, 496, 527, 542, 558, 612, 744, 813, 816, 1054, 1084, 1116, 1224, 1488, 1581, 1626, 2108, 2168, 2232, 2439, 2448, 3162, 3252, 4216, 4336, 4464, 4607, 4743, 4878, 6324, 6504, 8401, 8432, 9214, 9486, 9756, 12648, 13008, 13821, 16802, 18428, 18972, 19512, 25203, 25296, 27642, 33604, 36856, 37944, 39024, 41463, 50406, 55284, 67208, 73712, 75609, 75888, 82926, 100812, 110568, 134416, 142817, 151218, 165852, 201624, 221136, 285634, 302436, 331704, 403248, 428451, 571268, 604872, 663408, 856902, 1142536, 1209744, 1285353, 1713804, 2285072, 2570706, 3427608, 5141412, 6855216, 10282824, 20565648]

約数ペア:

[(1, 20565648), (2, 10282824), (3, 6855216), (4, 5141412), (6, 3427608), (8, 2570706), (9, 2285072), (12, 1713804), (16, 1285353), (17, 1209744), (18, 1142536), (24, 856902), (31, 663408), (34, 604872), (36, 571268), (48, 428451), (51, 403248), (62, 331704), (68, 302436), (72, 285634), (93, 221136), (102, 201624), (124, 165852), (136, 151218), (144, 142817), (153, 134416), (186, 110568), (204, 100812), (248, 82926), (271, 75888), (272, 75609), (279, 73712), (306, 67208), (372, 55284), (408, 50406), (496, 41463), (527, 39024), (542, 37944), (558, 36856), (612, 33604), (744, 27642), (813, 25296), (816, 25203), (1054, 19512), (1084, 18972), (1116, 18428), (1224, 16802), (1488, 13821), (1581, 13008), (1626, 12648), (2108, 9756), (2168, 9486), (2232, 9214), (2439, 8432), (2448, 8401), (3162, 6504), (3252, 6324), (4216, 4878), (4336, 4743), (4464, 4607)]