20364672

素因数分解:

$2^7\times 3^1\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 54578160

約数和(自身を除く): 34213488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 181, 192, 293, 362, 384, 543, 586, 724, 879, 1086, 1172, 1448, 1758, 2172, 2344, 2896, 3516, 4344, 4688, 5792, 7032, 8688, 9376, 11584, 14064, 17376, 18752, 23168, 28128, 34752, 37504, 53033, 56256, 69504, 106066, 112512, 159099, 212132, 318198, 424264, 636396, 848528, 1272792, 1697056, 2545584, 3394112, 5091168, 6788224, 10182336, 20364672]

約数ペア:

[(1, 20364672), (2, 10182336), (3, 6788224), (4, 5091168), (6, 3394112), (8, 2545584), (12, 1697056), (16, 1272792), (24, 848528), (32, 636396), (48, 424264), (64, 318198), (96, 212132), (128, 159099), (181, 112512), (192, 106066), (293, 69504), (362, 56256), (384, 53033), (543, 37504), (586, 34752), (724, 28128), (879, 23168), (1086, 18752), (1172, 17376), (1448, 14064), (1758, 11584), (2172, 9376), (2344, 8688), (2896, 7032), (3516, 5792), (4344, 4688)]