20687808

素因数分解:

$2^6\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 112

約数和(自身を含む): 59253120

約数和(自身を除く): 38565312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 53, 57, 64, 76, 96, 106, 107, 114, 152, 159, 192, 212, 214, 228, 304, 318, 321, 424, 428, 456, 608, 636, 642, 848, 856, 912, 1007, 1216, 1272, 1284, 1696, 1712, 1824, 2014, 2033, 2544, 2568, 3021, 3392, 3424, 3648, 4028, 4066, 5088, 5136, 5671, 6042, 6099, 6848, 8056, 8132, 10176, 10272, 11342, 12084, 12198, 16112, 16264, 17013, 20544, 22684, 24168, 24396, 32224, 32528, 34026, 45368, 48336, 48792, 64448, 65056, 68052, 90736, 96672, 97584, 107749, 130112, 136104, 181472, 193344, 195168, 215498, 272208, 323247, 362944, 390336, 430996, 544416, 646494, 861992, 1088832, 1292988, 1723984, 2585976, 3447968, 5171952, 6895936, 10343904, 20687808]

約数ペア:

[(1, 20687808), (2, 10343904), (3, 6895936), (4, 5171952), (6, 3447968), (8, 2585976), (12, 1723984), (16, 1292988), (19, 1088832), (24, 861992), (32, 646494), (38, 544416), (48, 430996), (53, 390336), (57, 362944), (64, 323247), (76, 272208), (96, 215498), (106, 195168), (107, 193344), (114, 181472), (152, 136104), (159, 130112), (192, 107749), (212, 97584), (214, 96672), (228, 90736), (304, 68052), (318, 65056), (321, 64448), (424, 48792), (428, 48336), (456, 45368), (608, 34026), (636, 32528), (642, 32224), (848, 24396), (856, 24168), (912, 22684), (1007, 20544), (1216, 17013), (1272, 16264), (1284, 16112), (1696, 12198), (1712, 12084), (1824, 11342), (2014, 10272), (2033, 10176), (2544, 8132), (2568, 8056), (3021, 6848), (3392, 6099), (3424, 6042), (3648, 5671), (4028, 5136), (4066, 5088)]