20105568

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{9973}}^1$

素因数の和:9996

約数の個数: 72

約数和(自身を含む): 65349648

約数和(自身を除く): 45244080

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 9973, 19946, 29919, 39892, 59838, 69811, 79784, 89757, 119676, 139622, 159568, 179514, 209433, 239352, 279244, 319136, 359028, 418866, 478704, 558488, 628299, 718056, 837732, 957408, 1116976, 1256598, 1436112, 1675464, 2233952, 2513196, 2872224, 3350928, 5026392, 6701856, 10052784, 20105568]

約数ペア:

[(1, 20105568), (2, 10052784), (3, 6701856), (4, 5026392), (6, 3350928), (7, 2872224), (8, 2513196), (9, 2233952), (12, 1675464), (14, 1436112), (16, 1256598), (18, 1116976), (21, 957408), (24, 837732), (28, 718056), (32, 628299), (36, 558488), (42, 478704), (48, 418866), (56, 359028), (63, 319136), (72, 279244), (84, 239352), (96, 209433), (112, 179514), (126, 159568), (144, 139622), (168, 119676), (224, 89757), (252, 79784), (288, 69811), (336, 59838), (504, 39892), (672, 29919), (1008, 19946), (2016, 9973)]