20968896

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:330

約数の個数: 112

約数和(自身を含む): 61902848

約数和(自身を除く): 40933952

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 156, 186, 192, 208, 248, 271, 312, 372, 403, 416, 496, 542, 624, 744, 806, 813, 832, 992, 1084, 1209, 1248, 1488, 1612, 1626, 1984, 2168, 2418, 2496, 2976, 3224, 3252, 3523, 4336, 4836, 5952, 6448, 6504, 7046, 8401, 8672, 9672, 10569, 12896, 13008, 14092, 16802, 17344, 19344, 21138, 25203, 25792, 26016, 28184, 33604, 38688, 42276, 50406, 52032, 56368, 67208, 77376, 84552, 100812, 109213, 112736, 134416, 169104, 201624, 218426, 225472, 268832, 327639, 338208, 403248, 436852, 537664, 655278, 676416, 806496, 873704, 1310556, 1612992, 1747408, 2621112, 3494816, 5242224, 6989632, 10484448, 20968896]

約数ペア:

[(1, 20968896), (2, 10484448), (3, 6989632), (4, 5242224), (6, 3494816), (8, 2621112), (12, 1747408), (13, 1612992), (16, 1310556), (24, 873704), (26, 806496), (31, 676416), (32, 655278), (39, 537664), (48, 436852), (52, 403248), (62, 338208), (64, 327639), (78, 268832), (93, 225472), (96, 218426), (104, 201624), (124, 169104), (156, 134416), (186, 112736), (192, 109213), (208, 100812), (248, 84552), (271, 77376), (312, 67208), (372, 56368), (403, 52032), (416, 50406), (496, 42276), (542, 38688), (624, 33604), (744, 28184), (806, 26016), (813, 25792), (832, 25203), (992, 21138), (1084, 19344), (1209, 17344), (1248, 16802), (1488, 14092), (1612, 13008), (1626, 12896), (1984, 10569), (2168, 9672), (2418, 8672), (2496, 8401), (2976, 7046), (3224, 6504), (3252, 6448), (3523, 5952), (4336, 4836)]