20840112

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2575

約数の個数: 80

約数和(自身を含む): 62992000

約数和(自身を除く): 42151888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2539, 2736, 4104, 5078, 7617, 8208, 10156, 15234, 20312, 22851, 30468, 40624, 45702, 48241, 60936, 68553, 91404, 96482, 121872, 137106, 144723, 182808, 192964, 274212, 289446, 365616, 385928, 434169, 548424, 578892, 771856, 868338, 1096848, 1157784, 1302507, 1736676, 2315568, 2605014, 3473352, 5210028, 6946704, 10420056, 20840112]

約数ペア:

[(1, 20840112), (2, 10420056), (3, 6946704), (4, 5210028), (6, 3473352), (8, 2605014), (9, 2315568), (12, 1736676), (16, 1302507), (18, 1157784), (19, 1096848), (24, 868338), (27, 771856), (36, 578892), (38, 548424), (48, 434169), (54, 385928), (57, 365616), (72, 289446), (76, 274212), (108, 192964), (114, 182808), (144, 144723), (152, 137106), (171, 121872), (216, 96482), (228, 91404), (304, 68553), (342, 60936), (432, 48241), (456, 45702), (513, 40624), (684, 30468), (912, 22851), (1026, 20312), (1368, 15234), (2052, 10156), (2539, 8208), (2736, 7617), (4104, 5078)]