20218399488

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{1253621}}^1$

素因数の和:1253650

約数の個数: 108

約数和(自身を含む): 66622487568

約数和(自身を除く): 46404088080

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 576, 672, 768, 896, 1008, 1152, 1344, 1792, 2016, 2304, 2688, 4032, 5376, 8064, 16128, 1253621, 2507242, 3760863, 5014484, 7521726, 8775347, 10028968, 11282589, 15043452, 17550694, 20057936, 22565178, 26326041, 30086904, 35101388, 40115872, 45130356, 52652082, 60173808, 70202776, 78978123, 80231744, 90260712, 105304164, 120347616, 140405552, 157956246, 160463488, 180521424, 210608328, 240695232, 280811104, 315912492, 320926976, 361042848, 421216656, 481390464, 561622208, 631824984, 722085696, 842433312, 962780928, 1123244416, 1263649968, 1444171392, 1684866624, 2246488832, 2527299936, 2888342784, 3369733248, 5054599872, 6739466496, 10109199744, 20218399488]

約数ペア:

[(1, 20218399488), (2, 10109199744), (3, 6739466496), (4, 5054599872), (6, 3369733248), (7, 2888342784), (8, 2527299936), (9, 2246488832), (12, 1684866624), (14, 1444171392), (16, 1263649968), (18, 1123244416), (21, 962780928), (24, 842433312), (28, 722085696), (32, 631824984), (36, 561622208), (42, 481390464), (48, 421216656), (56, 361042848), (63, 320926976), (64, 315912492), (72, 280811104), (84, 240695232), (96, 210608328), (112, 180521424), (126, 160463488), (128, 157956246), (144, 140405552), (168, 120347616), (192, 105304164), (224, 90260712), (252, 80231744), (256, 78978123), (288, 70202776), (336, 60173808), (384, 52652082), (448, 45130356), (504, 40115872), (576, 35101388), (672, 30086904), (768, 26326041), (896, 22565178), (1008, 20057936), (1152, 17550694), (1344, 15043452), (1792, 11282589), (2016, 10028968), (2304, 8775347), (2688, 7521726), (4032, 5014484), (5376, 3760863), (8064, 2507242), (16128, 1253621)]